They can last for months, weeks or just a few hours.

In some cases, these can last for more than 6 months.

They may last for weeks or months and usually go away on their own.

These can last for up to several months at a time.

These works would last for more than a century and a half.

I never expected love to last so long for you.

Works are expected to start in 2012 and will last for three years.

His food would last for only two or three more days.

I took enough work with me to last for days.

Season 4 is also expected to last for two months.