`text{1}` have already read

→ already là dấu hiệu thì HTHT

`text{2}` did not do 

→ ago là dấu hiệu thì QKĐ

    sau did not/didn't + Vo

`text{3}` did 

→ kể lại sự việc trong Qk dùng thì QKĐ

`text{4}` will eat

→ in the future là dấu hiệu thì TLĐ

`text{5}` need

→ nói về sự thật dùng HTĐ

`text{6}` has Alex ever been/ has been

→ever/ once là dấu hiệu thì HTHT

`text{7}` is having

→ now là dấu hiệu thì HTTD

`text{8}` was established

→ đây là câu bị động

`text{9}`to recycle

→Encourage + to Vo

`text{10}` doing

→ enjoy + Ving : thích lm gì

`1.` have already read

already `→` HTHT

S + has/ have + V_ed/ V3

`2.` didn't do

five years ago `→` QKĐ

S + didn't + V_inf 

`3.` did

when he was in high school `→` QKĐ

S + V_ed/ V2

`4.` will eat

in the future `→` TLĐ

S + will + V_inf

`5.` need

Hành động thường xuyên `→` HTĐ

S + V_inf/ V_s/ V_es

`6.` Has Alex ever been, has been

ever `→` HTHT

Has/ Have + S + V_ed/ V3

S + V_ed/ V3

`7.` is having

Right now `→` HTTD

S + is/ am/ are + V_ing

`8.` established

in 2011 `→` QKĐ

S + V_ed/ V2

`9.` to recycle

S + encourage + O + to + V_inf: khuyến khích, động viên

`10.` doing

enjoy + V_ing: thích làm gì