Complete the sentences with the correct forms of the verbs in brackets.
1. I might .... ( leave) my mobile at the hotel, but I don't remember. 2. Susan has been travelling for the last two weeks - she must .... (be) very tired by now. 3.Wendy's accent is a bit strange. She could .... (be) Northern Irish, but I'm not sure. 4.You can't .... (see) Joe in town at noon - he was at home with me. 5.Thomas has been really upset recently. He must .... (have) problems at home.
2. be
3. be
4. seen
5. had
2.be
3.was
4.seen
5.had