${\color{lightblue}{\text{#giee}}}$

`text{B.}`

`text{1. saw}`

`-` yesterday `->` thì QKĐ : (+) S + Ved/Vbqt + O.

                                           (-) S + didn't + V + O.

                                           (?) Did + S + V + O?

                                    `=>` No , S + didn't

                                            Yes , S + did

`text{2. Have you ever bought}`

`-` ever `->` thì HTHT : (+) S + have/has + V(II) + O.

                                    (-) S + haven't/hasn't + V(II) + O.

                                    (?) Have/Has + S + V(II) + O?

                            `=>` No , S + haven't/hasn't.

                                    Yes , S + have/has.

`text{3. had}`

`-` last `->` thì QKĐ

`text{4. drove}`

`-` ago `-> thì QKĐ

`text{5. played}`

`-` yesterday `->` thì QKĐ

`text{6. already took}`

`-` already : đã `->` thì QKĐ

`text{7. ran}`

`-` last `->` thì QKĐ

`text{8. did}`

`-` last `->` thì QKĐ

`text{9. ever been}`

`-` ever `->` thì HTHT

`text{10. met}`

`-` last `->` thì QKĐ

`text{11. already woke up}`

`-` already `->` thì HTHT 

`text{12. haven't meet}`

`-` since Thurdays `->` thì HTHT

`text{13. slept}` 

`-` last `->` thì QKĐ

`text{14. got}`

`-` two day ago `->` thì QKĐ

`text{15. already arrived}`

`-`  already `->` thì HTHT 

`text{C.}`

`text{1. is reading}`

`-` at the moment `->` thì HTTD : (+) S + tobe(is/are/am) + V_ing + O.

                                                     (-) S + isn't/aren't/amnot + V_ing + O.

                                                     (?) Is/Are/Am + S + V_ing + O?

                                             `=>` No , S + isn't/aren't/amnot

                                                     Yes , S + is/are/am.

`text{2. Do .... go}`

`-` every day `->` thì HTĐ với V : (+) S + V/Vs,es + O.

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

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

                                             `=>` No , S + don't/doesn't

                                                     Yes , S + do/does

`text{3. don't watch}`

`-` every night `->` thì HTĐ

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: 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,.....

Công thức thì QKĐ (V: thường)

(+) S + V2/ed 

(-) S + didn't + V1 

(?) Did + S+ V1?

DHNB: ago, last (year, month ...), yesterday, in + năm QK, ...

-------------------------------------------------

7. have never been 

DHNB: never (HTHT)

8. has just finished 

DHNB: just (HTHT)

9. have seen

10. has met 

DHNB: since June (HTHT)

B)

1. saw 

DHNB: yesterday (QKD)

2. Have you ever bought 

DHNB: ever (HTHT)

3. had 

DHNB: last winter (QKD)

4. drove 

DHNB: ago (QKD)

5. played 

DHNB: yesterday (QKD)

6. has already taken 

DHNB: already (HTHT)

7. ran 

DHNB: last week (QKD)

8. did 

DHNB: last Sunday (QKD)

9. has ever been 

DHNB: ever (HTHT)

10. met 

DHNB: last Monday (QKD)

11. has already woken up 

DHNB: already (HTHT)

12. haven't met 

DHNB: since Thursday (HTHT)

13. slept 

DHNB: last night (QKD)

14. got 

DHNB: ago (QKD)

15. have already arrived 

DHNB: already (HTHT)

C)

1. is reading 

DHNB: at the moment (HTTD)

2. Do / go 

DHNB: every day (HTD)

3. don't watch 

DHNB: every night (HTD)