dsgdgsgegsergrsgfgfggtrgdfgfgggggdgfdgdfg

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 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. invited / didn't come

DHNB: yesterday (QKD)

2. begins 

DHNB: sometimes (HTD)

3. came

DHNB: ago (QKD)

4. do 

DHNB: usually (HTD)

5. helped

DHNB: yesterday (QKD)

6. goes / is 

DHNB:every day (HTD)

7. took

DHNB: last week (QKD)

8. arrived / aren't

DHNB: ago (QKD)

9. bought

10. played

DHNB: last weekend (QKD)

`color{orange}{~LeAiFuRuiHuiBao~}`