Fill in a modal or a synonymous expression and the appropriate form of the verbs in brackets. 1. i'm getting fat. i have to (try) to lose some weight, like the doctor said. 2. what a lovely day! (we/go) for a walk? 3. i'm not sure where gary is. (be) at the library. 4. (not/be) bill's car. he doesn't own one. 5. (sleep) but i'm not sure. why don't you go and see? 6. don't worry. (not/dress) formally for the party. 7. if you wanted to borrow my car, (ask) me. 8. this (belong) to harry. it's got his address on its collar