do 

provide

study - live

skips

wants

is - writes

has

Does Lan help

doesn't study

do

doesn't want

Does his brother want

gives

shares

isn't

Do you like

Do you remember

Does your mother clean

doesn't like

Do you do

Công thức thì HTĐ:

- Sau chủ ngữ là động từ thường:

(+) S + V-(s,es)....

(-) S + do/does + not + V-inf...

(?) Do/Does + S + V-inf ... ?

- Sau chủ ngữ là tobe:

(+) S + am/is/are + ....

(-) S + am/is/are + not + ....

(?) am/is/are + S + ....

*Note:

I + am/do

She/He/It + is/does

You/We/They + are /do

Do/does + not: don't/doesn't

is/are + not: isn't /aren't

Trong câu có thể có trạng từ chỉ tần suất, tuy nhiên vẫn chia động từ theo chủ ngữ

* Cấu trúc thì HTĐ:

+ Động từ tobe:

(+) S + is/am/are + Adj/N ...

(-)  S + isn't/am not/aren't + Adj/N ...

(?)  Is/Am/Are + S + Adj/N ..?

- Yes, S + is/am/are

- No, S + isn't/am not/ aren't

+ Động từ thường:

(+) S + V(s/es) ...

(-)  S + don't/doesn't + V0

(?)  Do/Does + S + V0 ..?

- Yes, S + do/does

- No, S + don't/doesn't

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

${1.}$ do

${2.}$ provides

${3.}$ study/ live

${4.}$ skips

${5.}$ wants

${6.}$ is/ writes

${7.}$ has

${8.}$ Does Lan help

${9.}$ doesn't study

${10.}$ do

${11.}$ doesn't want

${12.}$ Does his brother want

${13.}$ gives

${14.}$ shares

${15.}$ isn't

${16.}$ Do you like

${17.}$ Do you remeber

${18.}$ Does your mother clean

${19.}$ doesn't like

${20.}$ Do you do