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 QKĐ (V: thường)

(+) S + V2/ed 

(-) S + didn't + V1 

(?) Did + S+ V1?

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

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

Sửa đề câu 1:

(The girls with a shawl on their heads and members of the Thai 

--> The girls with a shawl on their heads are members of the Thai)

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

1. Are the girls with a shawl on their heads members of the Thai?

2. Did they build their houses on stilts to prevent flooding from tides or storms?

3. Are The Tay the earliest known minority in Viet Nam?

4. Is the population of the Tay ethnic group about 1.7 million?

`color{orange}{~LeAiFuRuiHuiBao~}`

`1`. Are the girls with a shawl on their heads members of the Thai?

`2`. Did they build their houses on stilts to prevent flooding from tides or storms?

`3`. Are the Tay earlist known minority in Viet Nam?

`4`. Is the population of the Tay ethnic group about `1,7` million?

`_______________________________`

`***` Yes/No Question HTĐ với tobe:

`-` Hỏi: Am/Is/Are + S...?

`-` Trả lời:

`+` Yes, S + am/is/are.

`+` No, S + am/is/are + not.

`***` Yes/No Question QKĐ với V thường:

`-` Hỏi: Did + S + V-inf?

`-` Trả lời:

`+` Yes, S + did.

`+` No, S + didn't.