`@` `Mikey3`

`39,` If you try hard, you can pass the examination 

`-` If + S + V/ V (es/s), S + can/ will + V

`40,` Lan is the most intelligent student in our class.

`-` S + tobe + the + most + adj + (N)

`41,` She hasn't visited me for five months.

`-` S + have/ has + (not) + V (Pii).

`-` The last time + S + V (-ed/ bất quy tắc) + was + time + ago = S + haven't/ hasn't + V3 + for + time.

`42,` The teacher ordered us not to talk in class.

`-` S + told/ ordered + O + (not) + to V

`43,` It's very important to keep the environment clean.

`-` S + to be + (not) + adj + (for sb) + to V: như thế nào khi làm gì đó

`1.` If you try hard, you can pass the examination

`-` Câu điều kiện loại `1 :` If S + V hiện tại , S + will/can/may + V-inf

`=>` Diễn tả sự việc có thể xảy ra ở hiện tại , tương lai

`2.` Lan is the most intelligent student in the class.

`-` No one/person + tobe +adj-er / more adj + than S ....

`=>` S + tobe + the + adj-est / most adj + .....

`3.` She hasn't visited me for five months

`-`  The last time + S + V ed+ was + time + ago.

`=>` S + have/ has +not+ for + time

`4.` The teacher ordered us not to talk in the class.

`-` Cầu khiến : S + asked/ told/ demanded,… + O + (not) + to V 

`5.` It's very important to keep the environment clean

`-` Doing sth be ADJ (for sb)

`=>` It’s adj (for Sb) to do sth: Như thế nào với ai để làm gì ?