Giúp em với ạ !!!!!!!!!! Em cần gấp, em cảm ơn các anh/chị trước ah <3

1. am - have - am

2. is - is - has - has - is

3. is - is - has - has - is - is - is

4. is - have - are - have - are

Thì hiện tại đơn:

- Động từ thường

(+) S + V (es,s) + O

(-) S + doesn't / don't + V + O

(?) Do / Does + S + V + O

- Tobe:

(+) She / He / It + is

They / We / You + are

I + am

(-) She / He / It + isn't

They / We / You + aren't

I + am not

(?) She / He / It + Is

They / We / You + Are

I + Am

- Dấu hiệu: Always ; Usually ; Never;....