I. Translate the sentences, explain the use of "must" or "have to" in them.
1 I must go and lay the table myself. 2 We had to walk all the way to the station.
3 She had to change her shoes after walking in the garden. 4 She pretended she
didn't understand anything. 5 We'll have to run. 6 The shoes are a size too small.
I'll have to go to the shop and have them changed. 7 She was running high
temperature. I had to put her to bed at once. 8 You'll have to do something about
it. 9 Someone will have to stay and warn them.