| I
haven't finished the job yet. (have not ⇔ haven't)
He's lived in New York for ten years. (he has ⇔ he's)
Have you read this book? Yes, I have. / No, I haven't. (you have ⇔ you've) (read
- read - read) She's gone to the post office. (she
has ⇔ she's) |