`1.` I can finish the homework on time if it isn't long and difficult.

`-` Câu điều kiện loại `1` (Có thể xảy ra ở hiện tại hoặc tương lai)

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

`2.` I am disappointed that people have spoiled this area.

`-` be disappointed that + clause: thất vọng rằng _____

`3.` Although the room is quite small, it is very comfortable.

`-` Although _______, _______: Mặc dù ___, ______

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

$\color{fuchsia}{\triangleright \triangleright\text{NhatHuy}
\color{cyan}{\text{ThichChoiLiqi} \triangleleft \triangleleft}}$

1. I can finish the homework on time if it isn't long and difficult.

If 1: If + HTD, S + can/shall/we + V1 

S + be + ADJ 

2. I am disappointed that people have spoiled this area.

S + be + ADJ + that + clause 

3. Although the room is quite small, it is very comfortable,

.Although + clause, clause: mặc dù 

S + be+ ADJ

`color{orange}{~MiaMB~}`