1 It must have been very expensive
2 He must have gone away
3 You must have left it on the train
4 The exam couldn't been very difficult
5 she must have listened to our conversation
6 He couldn't understood what I said
7 I must have forgotten to turn it off
The driver couldn't seen the red light
И перепроверь свое написание некоторых слов. Например не Hellow a Hello
<span>The first poem of the poet was written in 1814.</span>
I like summer.Do i like summer?
I love my dog. Do I love dog?
I swim.Do I swim?