`1.` 

`(-)` He hasn't lived here for three years.

`(?)` Has he lived here for three years?

`2.`

`(+)` We have been here for two weeks.

`(?)` Have you been here for two weeks?

_Chủ ngữ "we" là ngôi thứ nhất số nhiều `=>` Khi chuyển sang câu nghi vấn đổi ngôi thứ nhất `->` ngôi thứ 2.

`3.`

`(+)` They have missed the train.

`(-)` They haven't missed the train.

`4.`

`(-)` I haven't had breakfast this morning.

`(?)` Have you had breakfast this morning?

_Chủ ngữ "I" là ngôi thứ nhất số ít `=>` Khi chuyển sang câu nghi vấn đổi ngôi thứ nhất `->` ngôi thứ 2.

`5.`

`(+)` She has passed the exam.

`(?)` Has she passed the exam?

`6.`

`(+)` You have met his mother.

`(-)` You haven't met his mother.

`7.` 

`(-)` We haven't eaten too much chocolate.

`(?)` Have you eaten too much chocolate?

`8.`

`(+)` I have known David for ten years.

`(?)` Have you known David for ten years?

`-------`

`=>` Cấu trúc thì Hiện tại hoàn thành:

`(+)` S + have/has + V3(ed/BQT) + O.

`(-)` S + have/has + not + V3(ed/BQT) + O.

`(?)` Have/Has + S + V3(ed/BQT) + O?

`---`

- I/ You/ We/ They/ danh từ số nhiều, đếm được + have

- He/ She/ It/ danh từ số ít, không đếm được + has

$1.$ $(+)$ He has lived here for three years.

$\rightarrow$ $(-)$ He hasn't lived here for three years. 

$\rightarrow$ $(?)$ Has he lived here for three years $?$

$2. (-)$ We haven't been here for two weeks.

$\rightarrow$ $(+)$ We have been here for two weeks.

$\rightarrow$ $(?)$ Have we been here for two weeks $?$

$3. (?)$ Have they missed the train $?$

$\rightarrow$ $(+)$ They have missed the train.

$\rightarrow$ $(-)$ They haven't missed the train.

$4. (+)$ I have had breakfast this morning.

$\rightarrow$ $(-)$ I haven't had breakfast this morning.

$\rightarrow$ $(?)$ Have you had breakfast this morning $?$

$5. (-)$ She hasn't passed the exam.

$\rightarrow$ $(+)$ She has passed the exam.

$\rightarrow$ $(?)$ Has she passed the exam $?$

$6. (?)$ Have you met his mother $?$

$\rightarrow$ $(+)$ I have met his mother.

$\rightarrow$ $(-)$ I haven't met his mother.

$7. (+)$ We have eaten too much chocolate.

$\rightarrow$ $(-)$ We haven't eaten too much chocolate.

$\rightarrow$ $(?)$ Have we eaten too much chocolate $?$

$8.(-) $ I haven't known David for ten years. 

$\rightarrow$ $(+)$ I have known David for ten years. 

$\rightarrow$ $(?)$ Have you known too much chocolate $?$

* Cấu trúc ''thì HTHT'':

$(+)$ $S$ $+ have/has +$ $V_{PII}$ + $O$

$(-)$ $S$ $+ haven't/hasn't +$ $V_{PII}$ +$ O$

$(+)$ $Have / Has +$ $S$ + $V_{PII}$ + $O ?$

$\textit{#maingoctranthi}$