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You mustn't talk to strangers.
Why him had to leave yesterday? 
I have to come tomorrow? 
She had to present this book to Lena. 
Here you must not smoke. 
It should help it to translate the text. 
He shouldn't have signed this document, isn't it? 
You shouldn't tell it about this meetings. 
I should tell it the truth? 
НАДЕЮСЬ ЧТО Я Верно НАПИСАЛА)))

1) You shouldn't talk to strangers.
2) Why it had to leave yesterday? 
3) I have to come tomorrow? 
4) She had to present this book to Lena. 
5) Here it is impossible to smoke. 
6) It should help it to translate the text. 
7) He shouldn't have signed this document, isn't it? 
8) You shouldn't tell it about this meetings. 
9) I should tell it the truth? 

НАДЕЮСЬ, ВСЁ Верно