$\text{1.}$ My father didn't use to read newspaper in the morning.

$\text{→}$ used to + V: đã từng

$\text{2.}$ His teacher encouraged him to take part in the competition.

$\text{→}$ encourage sb to V: khuyến khích, động viên

$\text{→}$ take part in: tham gia

$\text{3.}$ How long is it since you last returned to your home village?

$\text{→}$ how long is it since + S last + Ved/ P1?

$\text{4.}$ I am interested in learning English because I want to have a trip abroad.

$\text{→}$ be interested in + N/ V-ing: thích thú trong

$\text{→}$ want to V: muốn làm gì

$\text{5.}$ I didn't come to her party last night because she didn't invite me.

$\text{→}$ last night chia QKD

$\text{6.}$ The doctor advised me to spend a few days in bed.

$\text{→}$ advise sb to V: khuyên

$\text{7.}$ If he cuts down trees in the forests, he will be fined heavily.

$\text{→}$ Câu đk loại 1: $\text{If + HTD, TLD.}$

$\text{8.}$ If it doesn't rain tomorrow, we won't take out umbrella.

$\text{→}$ Câu đk loại 1