Câu trả lời đây bạn nha, mang tính chủ quan thôi nhé!

1.have just taken

2. have ever visited

3.have been walking

4.have seen

5.has given

6. am working

7. comes

8.get/ rises

9.has asked

10.has painted

11.have you waited

12.says/talks

13. đáng lẽ sẽ là will come nhưng mà đề bài nó kêu hiện tại nên mình dùng thì is not coming kiểu hiện tại tiếp diễn nó gần ngang với tương lai gần í

14.is singing

15.has cut

16.dont eat

17.is coming

18.am having

19.have you studied /have you been studying

20.havent seen

Công thức thì HTHT

(+) S + has/have + V3/ed 

(-) S + has/have + not + V3/ed 

(?) Has/Have + S+ V3/ed?

DHNB: before, since + mốc thời gian, for + khoảng thời gian, yet, already, just,....

Công thức thì HTĐ (V: tobe)

(+) S + am/is/are ..

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,....

Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

DHNB: now, right now, (!), at present, at the moment,.....

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1. have just taken 

DHNB: just (HTHT)

2. have ever visited 

DHNB: ever (HTHT)

3. have walked 

DHNB: for three hours (HTHT)

4. have seen 

5. has given 

DHNB: up to now (HTHT)

6. am working 

DHNB: Please be quiet! (HTTD)

7. comes 

8. get / rises

9. has asked 

10. has painted

DHNB: since last month (HTHT)

11. have you waited 

12. says / talks 

DHNB: often (HTD)

13. isn't coming 

DHNB: tomorrow (HTTD)

14. is singing 

DHNB: Listen! (HTTD)

15. has cut 

16. don't eat 

17. is coming 

DHNB: Hurry up! (HTTD)

18. am having 

DHNB: now (HTTD)

19. have you studied 

20. haven't seen 

DHNB: for a long time (HTHT)

`color{orange}{~MiaMB~}`