Student or Learner
1. He might be able to go in a week.
2. He might be able to go in a week's time.
Do you say "in a week's time" in place of "in a week"?
Thank you very much.
Are they in equally common use?
Would the first be more common in American English?
They are equally common - but you will have to wait for an American to answer your second question.
Do AE speakers use "in a week's time"?