`6.` has gone `-` has never been

Giải thích: thì HTHT

$\text{(+) S + have/has + Ved/V3 + ...}$

`7.` Have you been sleeping `-` have been ringing

Giải thích: thì HTHTTD

$\text{(+) S + have/has been + V-ing.}$

$\text{(?) Have/Has been + S + V-ing + ...?}$

`8.` has been writing `-` hasn't finshed 

Giải thích: thì HTHT, thì HTHTTD

$\text{(+) S + have/ha been + V-ing + ...}$

$\text{(-) S + have/has not + Ved/V3 + ...}$

`9.` has lost `-` has been looking

Giải thích: thì HTHT, HTHTTD

$\text{(+) S + have/has + Ved/V3 + ...}$

$\text{(+) S + have/has been + V-ing + ...}$

`10.` has been sleeping

Giải thích: thì HTHTTD

$\text{(+) S + have/has been + V-ing + ...}$

`IV.` 

`1.` have just taken

Giải thích: thì HTHT

$\text{(+) S + have/has + Ved/V3 + ...}$

`2.` have ever visted

Giải thích: thì HTHT

$\text{(+) S + have/has + Ved/V3 + ...}$

`3.` have been working

Giải thích: thì HTHTTD

$\text{(+) S + have/has been + V-ing + ...}$

`4.` have seen

Giải thích: thì HTHT

$\text{(+) S + have/has + Ved/V3 + ...}$

`5.` has given

Giải thích: thì HTHT

$\text{(+) S + have/has + Ved/V3 + ...}$

#chucbanhoctot

$#thaonguyeneakar$