Quá khứ đơn :
`+` S + V(ed) + O
`-` S + didn't + V + O
`?` Did + S + V + O
Hiện tại đơn :
`+` S + V(s/es) + O
`-` S + doesn't/don't + V + O
`?` Do/Does + S + V + O?
1. joined 
Last summer : mùa hè trước (QKĐ)
2. spend
Often : thường (HTĐ)
3. donates 
Often : thường (HTĐ)
4. hit 
in 1995 : vào năm 1995 (QKĐ)
5. goes / teaches
Every Sunday : mỗi chủ nhật (HTĐ)
6. Don't bother 
7. Was
Yesterday evening : tối hôm qua (QKĐ)
8. went 
9. was
Last night : đêm hôm qua (QKĐ)
10. did you know 
Last night : đêm hôm qua (QKĐ)

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: to be)

(+) S + was/were + ... 

(-) S + was/were + not ... 

(?) Was/Were + S ... ? 

S số ít, I, he, she, it + was

S số nhiều, you, we ,they + were

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, ...

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

1. joined 

DHNB: last summer (QKD)

2. spend

DHNB: often (HTD)

3. donates 

DHNB: often (HTD)

4. hit 

DHNB: on .. 1995 (QKD)

5. goes / teaches

DHNB: every Sunday (HTD)

6. Don't bother 

7. Was

DHNB: yesterday evening (QKD)

8. went 

9. was

DHNB: last night (QKD)

10. did you know 

DHNB: last night (QKD)

`color{orange}{~MiaMB~}`