Составить на языке по пять предложений со словами: can, must, may.

Show must go on.
May I come in?
Can I see you again?
He can do it himself.
I can do it now
I can speak English.
Can you do it?
You may take it.
He can finish his work.
He may knoy her address.
You may not find him there.
He may come to London in the morning.
Show me a dog.
Show me again your video.
It's good show.
We can see new British show on T.V.

1. Is this board game your children's?

No, it isn't theirs. It's my nieces'.

2. Is this signature Mr.White's?

No, it isn't his. It's his secretary's.

3. Is that collection her sister's?

No, it isn't hers. It's her mother's.

4. Are these shoes Maria's?

No, they aren't hers. These are Claire's.

5. Are those books his brother's?

No, they aren't his. Those are his nephew's.

6. Are these suitcases your parents'?

No, they aren't theirs. These are our aunt's.

7. Is this boat your uncle's?

No, it isn't his. It's my grandfather's.

Объяснение:

1. Have you defrosed the fridge yet?

2.How many messages has she sent today?

3. How long has your sister been travelling?

4. How many people has Angela invited to her party?

5. Have you been sitting here for a long time?

Grammar:

Present Perfect - настоящее совершенное

Чтобы было понятнее это время, в котором затрагивается и настоящее, и То есть, действие произошло в но как-то связано с настоящим (результат или текущий разговор)

Утверждение - Местоимение + have/has + глагол в 3 форме (или с окончанием -ed)

Отрицание - Местоимение + has/have + not + глагол в 3 форме ( или с окончанием -ed)

Вопрос - Have/has + местоимение + глагол в 3 форме (или с окончанием -ed)

Present Perfect Continuous

Тоже самое, что Present Perfect, только показывает длительность.

Утверждение - Местоимение + have/has + been + глагол в 3 форме (или с окончанием -ed)

Отрицание - Местоимение + has/have + not + been+ глагол в 3 форме ( или с окончанием -ed)

Вопрос - Have/has + местоимение + been+ глагол в 3 форме (или с окончанием -ed)