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 QKĐ (V: thường)

(+) S + V2/ed 

(-) S + didn't + V1 

(?) Did + S+ V1?

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

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

III)

1. Did you have

2. Have you finished

DHNB: yet (HTHT)

3. died

DHNB: yesterday (QKD)

4. don't know 

5. have waited

DHNB: for ages (HTHT)

IV)

1. A (whom --> who)

N (người)  + who + V 

2. A (Even though --> In spite of / Despite)

Even though + clause, clause 

In spite of / Despite + N / Np / Ving, clause

--> mặc dù 

3. B (sense of time --> sense of humor)

sense of humor: có khiếu hài hước 

4. D (will be --> would be)

if 2: If + QKĐ, S + would / could + V1 

5. B (the breakfast --> breakfast)

không dùng mạo từ trước bữa ăn 

`color{orange}{~LeAiFuRuiHuiBao~}`