2. если мы выражаем различную степень уверенности в
может происходить сейчас, мы используем:
ень уверенности в том, что
а) may/might + v,
если мы менее уверены:
b) must + v,
если мы более уверены:
he may want to know our names. it must be cool.
возможно, он хочет узнать
это, должно быть, здорово.
наши имена,
gs p. 161
home alone rules
you have to / may be over 10 years old to stay at home alone.
2 you mustn't/don't have to open the door for a stranger.
3.a stranger may/should trick you.
you mustn't/may tell anyone that you are at home
alone.you must/might be sure you know your parents' phone num-
ber.
6 it must/have to be useful to know people around you.​

Mobile phones play a big role in our life. Without them, some people can no longer imagine their lives. But are mobile phones so useful? Firstly, with their help, we can contact our relatives and friends at any time of the day through messages and calls, and we can also see what we need using the Internet. Secondly, there are telephone addicts. They surf the Internet round and round. Such people have a day, problems begin. But fortunately, there are few such people. Thus, the mobile phone is our indispensable assistant, but it must be used in moderation.

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Mobile phones play a big role in our life. Without them, some people can no longer imagine their lives. But are mobile phones so useful? Firstly, with their help, we can contact our relatives and friends at any time of the day through messages and calls, and we can also see what we need using the Internet. Secondly, there are telephone addicts. They surf the Internet round and round. Such people have a day, problems begin. But fortunately, there are few such people. Thus, the mobile phone is our indispensable assistant, but it must be used in moderation.

Объяснение:

Если нужен перевод могу кинуть)