`1.` Do

`=>` every morning là `DHNB`

`2.` Do

`3.` Do

`4.` Does

`=>` everyday là `DHNB`

`5.` do

`6.` did

`7.` don't

`8.` didn't

`9.` don't

`10.` don't

`11.` do

`12.` did

`13.` don't

`14.` doesn't

`15.` didn't

`---------------->`

`=>` Câu nghi vấn thì Hiện tại đơn

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

`+)` Trả lời: Yes, S + do/ does `/` No + S + don't/ doesn't

`->` I, We, They, You `->` Mượn trợ động từ Do

`->` She, He, It `->` Mượn trọ động từ Does

`=>` Câu nghi vấn thì Quá khứ đơn

`( ? )` Did + S + V + O?

`+)` Trả lời: Yes, S + did `/` No, S + didn't

- Hiện tại đơn :

$\text{( ? ) Nghi vấn : Do/Does + S + V-inf +...}$

- Quá khứ đơn :

$\text{( ? ) Nghi vấn : Did + S + V-inf +...}$

1. $\text{do}$

every morning $\Rightarrow$ $\text{DHNB}$

2. $\text{do}$

monkeys $\Rightarrow$ $\text{DHNB}$

3. $\text{do}$

I $\Rightarrow$ $\text{DHNB}$

4. $\text{does}$

every day $\Rightarrow$ $\text{DHNB}$

5. $\text{do}$

we $\Rightarrow$ $\text{DHNB}$

6. $\text{did}$

Did $\Rightarrow$ $\text{DHNB}$

7. $\text{don't}$

Do $\Rightarrow$ $\text{DHNB}$

8. $\text{didn't}$

Did $\Rightarrow$ $\text{DHNB}$

9. $\text{don't}$

Do $\Rightarrow$ $\text{DHNB}$

10. $\text{don't}$

Do cats...$\Rightarrow$ $\text{DHNB}$

11. $\text{do}$

the teachers $\Rightarrow$ $\text{DHNB}$

12. $\text{did}$

Vì $\text{you}$ là $\text{số nhiều}$ .

13. $\text{don't}$

some birds $\Rightarrow$ $\text{DHNB}$

14. $\text{doesn't}$

my sister...$\Rightarrow$ $\text{DHNB}$

15. $\text{didn't}$

Did Helen and Lily...$\Rightarrow$ $\text{DHNB}$