Circle the correct form of the verb. 1. we did not(know/knew)what to do. 2.the russian visitors didn't (understood/untrstand)french . 3. we didn't (catch/caught) the baii. 4. the car didn't (started / start ) this morning. 5. the salesmen didn't (forgave/forgive) the thieves. 6. recher didn't (felt / feel)well yesterday so she (leavers/ left)shool early. 7. she didn't 9choose/chose)the red sweater.