`1.` have visited 

`2.` have visited 

`3.` have visited 

`4.` have visited 

`5.` has visited 

`6.` has visited 

`7.` has visited 

`8.` have taken

`9.` have eaten

`10.` have brushed

`@` Kiến thức thì hiện tại hoàn thành : 

`-` Khẳng định : S + have/has + P2 .....      

`-` Phủ định : S + have/has not + P2 .....      

`-` Nghi vấn :  Have/has + S + P2 + ...... ?

`-` Dấu hiệu : before , already , since , for ....

`1`, have visited

`2`, have visited

`3`,have visited

`4`, have visited

`5`, has visited

`6`, has visited

`7`, has visited

`@` `7` câu trên có DHNB : before `=>` chia THTHT.

`8`, have taken

`9`, have eaten

`-` DHNB : already `->` chia THTHT

`10`, have brushed

`-----------`

Cấu trúc THTHT :

`+)` S + have/has + P2

`-)` S +have/has + not + P2

`?)` Have/Has + S +P2 ?

`-` I/you/we/they/số nhiều + trợ động từ have

`-` He/She/It/số ít + trợ động từ has