Choose the suitable prefix or suffix to form the correct word. 1) i (read) the bill and accused the poor waiter of . (charge) 2) it is fasten your seat-belts before take-off. (advise) 3) i was invited to watch the new film. (lucky) 4) i have a very good both my parents. (relation) 5) there is an that says you must not wear jeans. (write) 6) who prepared this fish? it’s awful and completely (taste) 7) the lesson was i almost fell asleep. (bore) 8) i’m always my unsuccessful attempts in sport. (appoint) 9) there is no his latest book and the earlier ones. (compare) 10) he definitely has the become a professional tennis player (able)

The verb to be. Insert appropriate present forms.

A: Hi, Alex. How (1) are you?

B: Hello David. I (2) am fine and how (3) ___are you doing?

A: I (4) amdoing fine.

B: How (5) ___is your sister? Where (6) ___isshe now?

A: She (7) _is in London. She (8) ___islearning English there.

B: Really? That (9) iswonderful! How about your parents?

A; They (10) ___are fine too. They (11) are in Cyprus now.

B: (12) are you busy tonight?

A: Not really, why?

B: We (13) ___are having a party. Would you like to come?

A: I’d love to.

B: Then come to our place at 7:00 p.m.

_+

I - am

He / she - is

We/ they / you - are

1) I am not at work. Am I at work?

2) Mike isn't a doctor. Is Mike a doctor?

3) They aren't glad. Are they glad?

4) My mother isn't in the garden. Is my mother in the garden?

5) My friends aren't happy. Arr my friends happy?

6) Susan isn't in that room. Is Susan in that room?

7) Olga isn't my friend. Is Olga my friend?

8) Marry and Alex aren't at home. Are Marry and Alex at home?

9) I am not sure of it. Am I sure of it?

10) This book isn't interesting. Is this book interesting?

Объяснение:

Так это глагол to be. Вот так образуются отрицательная и вопросительная форма глагола to be. Когда мы хотим сделать отрицательное предложение так мы добавляем not к глаголу to be. А когда вопросительную ставим глагол to be в начало предложение. Думаю объяснила.Удачи!