`1.` Peter is not old enough to see the horror film

S + be + (not) + adj + enough + to + V_inf

`2.` Don't forget to turn off the light before going out

Remember + to + V_inf = Don't forget + to + V_inf

`3.` Nien is younger than Hoa

$S_{1}$ + be + adj-er/ more adj + than + $S_{2}$

`4.` She has long and black hair

adj + noun

`5.` I'll give you a call tommorow morning

telephone sb = give sb a call 

`6.` Let's go to the movie tonight

How about + V_ing? = Let's + V_inf

`1` . Peter is not old enough to see the horror film

`→` S + be + not + adj + enough + to + V

`2`. Don't forget to turn off the light before going out

`→` Remember + to + V `=` Don't forget + to + V

`3`. Nien is younger than Hoa

`→` So sánh hơn với tính từ ngắn

`4` . She has long and black hair

`→` Adj + N

`5`. I'll give you a call tommorow morning

`→` Telephone sb `=` give sb a call 

`6`. Let's go to the movie tonight

`→` How about + Ving `=` Let's + V

`#thew#`