Verb 'to be'

Affirmative, negative and question forms of 'to be' in the present

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1. 1
   选择题

   My sister a teacher.

   amisareWe use 'is' with he, she, it and singular nouns.
2. 2
   选择题

   you from Spain?

   IsAmAreIn questions we put 'are' before 'you'.
3. 3
   选择题

   Tom and I friends.

   areisamWe use 'are' with plural subjects like 'Tom and I' (= we).
4. 4
   选择题

   Which sentence is correct?

   She not is at home.She isn't at home.She aren't at home.The negative with he, she, it is 'is not' or 'isn't'.
5. 5
   填空

   I tired today.

   答案: amWe use 'am' with I.
6. 6
   填空

   They in the classroom now.

   isareamWe use 'are' with they.
7. 7
   填空

   He (not) my brother. He's my cousin.

   答案: isn't同样正确: is notThe negative with he, she, it is 'isn't' (is not).
8. 8
   填空

   it cold outside?

   IsAreAmIn questions with 'it' we start with 'Is'.
9. 9
   填空

   We (not) late. We're on time.

   答案: aren't同样正确: are notThe negative with we, you, they is 'aren't' (are not).
10. 10
    判断对错

    This sentence is correct: 'My parents is at work.'

    答案: 错误Plural subjects take 'are': 'My parents are at work.'
11. 11
    判断对错

    This sentence is correct: 'Are you a student?'

    答案: 正确In questions 'are' comes before the subject 'you'.
12. 12
    讨论题

    Tell me about your best friend. Who is he or she? What is he or she like?

    参考答案: My best friend is Anna. She is twenty-five and she is a doctor. She is very kind and funny.