You should do your homework
You should help to your mother
You should go to sleep earlier
You shouldn't talk loudly on the lesson
You shouldn't use your mobile phone on the lesson
You shouldn't be rude to your teacher
1. She never heard
2.I just read your letter
3.He finished his homework at three o'clock in the evening
4.The toothache disappeared after I took the medication5.The doctor will come to the house by 9 p.m.
6.I read this book by next Friday
7.He still has not written the letter9.
8.She went for a walk after lunch
9.They won't come by 6 o'clock the following Monday
Если что, задание 7
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Вы употребляете have как вспомогательный глагол, когда вы говорите в Present perfect или present perfect continious.