When he came to, he had trouble forming words.

A person who has trouble forming words could just be confused.

For a moment he had trouble forming the words.

The fallout is that later in life they have trouble forming relationships.

She eventually manages to walk across the kitchen on two legs, but has trouble forming words due to the still canine shape of her mouth.

She had trouble forming the word, and it came out sounding scratchy, uncertain.

Einstein did not speak until he was 3 years old and later had trouble forming sentences.

If you have trouble forming the balls, there may be too much water in the tofu.

He had a little trouble forming the words; his lips felt numb and strange.

Wendy had trouble forming the words in her mouth.