Complete the sentences with the verbs from the box.  ( aren't,  don't,  wasn't,  didn't,  isn't,  doesn't,  weren't.)                                                                                                                  1) He ...  swimming now.    2) We ...  visit our Granny every weekend.   3) Tom ...  in the park yesterday.   4) They ...  camping now.   5)  We ...  at the Zoo two days ago.