Что именно нужно? Перевести задание или ты сама поняла?
I must go.
I must to solve this task.
I must go to London.
<span>He must be out.</span>
We must build this house by autumn.
с отрицанием будет <u><span>must not или mustn't</span></u>
<u><span>should not/shouldn’t</span></u>
<span>Should I play volleyball.</span>
<span>We should think about wild life more often.</span>
He shouldn’t have exceeded the speed limit.
They left home 2 hours ago, so they should be here already.
Should you need further information, feel free to contact me.
1. play
2. started
3. joined
4. have never looked back
5. train
6. playing
7. play
8. better
9. better
10. harder
11. the most careful
<span>12. не очень понимаю, что здесь должно быть, может, number one, может, еще кто-то ответит..</span>