Prepositions like right after, until, during, and before all tell when.

Many of the above prepositions are used in different circumstances.

It is normal to use the preposition in rather than on.

Sometimes both prepositions and cases can be observed within a single language.

Even Shakespeare came down on the side of using than as a preposition.

The form of the article could also be determined by whether a preposition is used.

Whether prepositions exist in Chinese is sometimes considered an open question.

The preposition always appears at the front of the phrase.

They might choose the wrong preposition or drop an article.

The following chart shows the cases associated with several prepositions.

Regarding the form, the prepositions can either be simple or complex.

The great majority, if not almost all prepositions govern two or even three cases.

What does the preposition with do to the verb visit?

Now we advance toward another task and preposition, "to come through."

Prepositions could be placed either before or after their clause.

All words including short articles and prepositions start with a capital letter.

You bet I take than as a preposition, not a conjunction.

There, I've gone and ended a sentence with a preposition.

It is also possible, in some cases, to promote the object of a preposition.

Below is a list of some common prepositions used in Lithuanian.

Use of prepositions before days denoted by a single word.

A place name is both a preposition and a name.

Most prepositions have a short and a long form.

The same case is used in many languages for the objects of (some or all) prepositions.

Each preposition is associated with one or more grammatical cases.

But doing the prep work well would take far longer.

I took two test prep programs and worked really hard.

At times the prep work seemed an end in itself.

Right, so have you got quite a lot of prep?

The college now has almost 200 students and goes from prep to year 11.

And I usually find one book during the prep that's my key.

For kids that want to be more hands on, get them involved with the prep work.

The town has a primary school for children from prep to year 6.

I used to get a bit carried away during prep.

"I know they did a lot of test prep with the kids," she said.

The school has a student body of over 1200, from prep to grade 12.

His 52 career home runs in high school are a California prep state record.

The prep program was kind of separated from the school.

Despite all the peace prep work, not everyone caught on.

I saw an ad for teachers of a prep course.

My computer laid out the prep I still had to do.

As of 2007, the school has grades Prep through 12.

A student must select a major by the end of the prep year.

Plan to stay home during your prep time since you will need to use the bathroom often.

Check out these articles about high school and college prep.

Most undergraduates these days come from public school, not prep.

The best prep schools in America didn't care at all.

That brought her to the food prep facilities, where there were more people around.

Academic Prep becomes the key to success for many of these students.

They came up with the story in the prep room of their own boarding school.

However, it's never too early to start prepping for next season.

But prepping every step of the way was how you got the job done.

These guys maybe get 5 to 6 days of this a year, and the other 360 they are prepping.

"We'll have another set prepped and ready in two minutes."

"Everyone was prepping for college at that time," she said.

One of them quickly prepped the area she'd be cutting.

They'd been prepping the rooms so all of them could leave at once.

When you're prepping for your next event, think about it.

I'll just work on prepping the gear so we can leave.

The blue team spent the day prepping both sides for that night's service.

I guess I'd better have you prepped and ready by the time she checks in.

"They're prepping her for surgery, and we hope to have more information soon."

And instead of prepping for parties, I am going to make presents.

She prepped a spike and shot me up right there in the car.

It felt good to be doing the physical work of prepping a boat for sea.

Then every thing went white and I woke up being prepped for surgery.

Was it not they who, for all these days, had prepped the story with heavy spice?

I was prepping the kids for this great shift when my son gave me a troubled look.

I need to be here and get everything prepped.

Or happen to be prepping for a work presentation when the phone rings with bad news.

Prepping oneself in the customs of a foreign land is nothing new.

Both have spent months prepping for what will be one of the most expensive races in the nation this year.

The couple has wasted no time prepping for the arrival of their first child.

Chapter In a matter of hours, his crew had prepped themselves as best they could on the race.

It looks like my shuttle has been prepped and fueled too.

Photos I've seen so far all have the cast looking a little 'Preppy' in style.

Preppy has something else going for it.

A member of the American Preppy social group, stemming from the word "preparatory"

As the blog became more widely read, he stopped making it personal and created a fictional character, London Preppy.

The Official Preppy Handbook will help you get there"."

Morgan created the blog London Preppy in 2007 as a way of keeping in touch with friends after coming out.

The socializing at Preppy Pup is fairly advanced.

First time I ever had anything in common with Mr. Preppy Jared.

The pants were featured in The Official Preppy Handbook.

This is a pimped-up version of Public School Preppy, with, possibly, a pit bull on a designer lead.

Try with a pair of skinny stone chinos for that East Coast Preppy vibe.

Preppy's progenitor - Ivy League style - crept back into American men's wardrobes this year.

And all this is on top of the Central Park Preppy II case, which has already caused enough trouble with the mayor's office.

Preppy Kate counsels Jenny to stick to her vows: “There’s a reason you two have been together for years.”

Artist and Preppy Looks The unusual Hamptons mix of activities and students are why some parents select private schools.

William Norwich Preppy The elements may be familiar - bow ties and button-downs - but the look is anything but.

They share personnel with Thee More Shallows and form the core of Scandinavian Preppy.

The Origins of Preppy: John Meyer of Norwich.

The Official Preppy Handbook, Workman Publishing, 1980.

The Official Preppy Handbook also teaches readers how to dress preppy.

Preppy was the upper class version of Americana - chinos, cricketing jumpers and sports jackets the alternative to jeans and leathers.

J. CREW Preppy sportswear.

THE rules regarding pool use at the Preppy Pup Country Club are plainly posted for all to read.

The Official Preppy Handbook (1980) makes reference to New Canaan as one of the "preppiest" towns in the country.

He refers to Zack as "Preppy" and when he starts dating Jessie, calls her "Mama".

We're going to try to put together a great prep.

I did a lot of prep, even living with a local family.

The best prep schools in America didn't care at all.

I took two test prep programs and worked really hard.

At times the prep work seemed an end in itself.

But doing the prep work well would take far longer.

He said the prep work would only take three weeks.

Say another two hours prep and she should be ready.

And all at once their hour of prep time was up.

I was really thinking about the prep work needed for Sat evening.

Is there any other prep work you´ll need to do?

Despite all the peace prep work, not everyone caught on.

I will certainly use more of it in my prep room.

That way the next night you're ready to go without too much prep.

And I usually find one book during the prep that's my key.

"How can kids who don't have special test prep get into top schools?"

The town has a primary school for children from prep to year 6.

If you want to do some debate prep of your own, here are a few things to think about.

To get that call and give myself a week of good prep is going to be great for me.

He's out to a price he shouldn't be because of what has happened this prep.

If that is the case then this was some prep run.

At the end of prep she suggested something may be wrong.

Our Prep students have been a very special group in each of their classes.

After the talk it's back up the hill again to the food prep room.

"They should take these results and find out how pre-exposure prophylaxis would play out in the real world."

An excellent safe vaccine is now available for use prior to travel (pre-exposure prophylaxis).

Logistically, the efficient and effective use of pre-exposure prophylaxis is very difficult to achieve.

Pre-Exposure prophylaxis is given for several reasons.

Pharmacologic pre-exposure prophylaxis (to prevent disease before exposure to the environment and/or vector).

The studies on this last approach, called pre-exposure prophylaxis or PrEP, have been mixed.

Pre-exposure prophylaxis means taking a daily dose of medication for a number of weeks prior to expected exposure.

The drug has been approved for pre-exposure prophylaxis against HIV infection.

It is being investigated for use as part of pre-exposure prophylaxis (PrEP).

Some doctors have already been using the experimental approach, called pre-exposure prophylaxis, or PrEP for short.

The authors also found that both behavioural changes and adherence to the pre-exposure prophylaxis drug regimens affected programme effectiveness.

The new strategy is called pre-exposure prophylaxis, and that is an approach that has been used successfully in certain other diseases.

Pre-exposure prophylaxis is recommended for people of increased risk of contracting rabies, such as:

The concept is known as pre-exposure prophylaxis (PrEP).

“Treatment as prevention, pre-exposure prophylaxis, and microbicides offer exciting new ways to slow the spread of HIV.

Table 7 Recommended usage for pre-exposure prophylaxis against hepatitis A. Potential candidates for the vaccine are 1.

• Hepatitis B vaccination (pre-exposure prophylaxis).

At the same time, funding for both microbicides and pre-exposure prophylaxis (PrEP) increased by eight and 13 percent, respectively.

The researchers expressed excitement that a preventive medical treatment, known as pre-exposure prophylaxis (PrEP), could now help all groups at the highest risk for the disease.

Many serodiscordant couples use pre-exposure prophylaxis (PrEP) to limit transmission of the infection to the uninfected partner.

Products known as Pre-Exposure Prophylaxis, or PrEP, are also being tested at various stages of the development process.

The authors say: "Our findings show that pre-exposure prophylaxis has the potential to be a cost-effective addition to HIV prevention programmes in some settings."

Absolute risk reduction of seasonal influenza ranged from 1.1 to 4% for pre-exposure prophylaxis to 10-15% for post-exposure prophylaxis.

Initially, it is highly probable that Tamiflu® used either as pre-exposure prophylaxis or post-exposure prophylaxis will be efficacious against a pandemic virus.