`1`. The last time Mr. Mike visited his homtown was in `2015`.

`-` Cấu trúc: S+ have/ has+ not+ Vpp+...+ since+ mốc TG

`≈` The last time+ S+ Ved/ V2+...+ was+ in+ mốc TG

`2`. Because of the heavy rain, Jane has canceled the appointement.

`-` Because+ SVO `=` Because of+ Noun phrase

`3`. Because the party was boring, we decided to leave early.

`-` giải thích giống câu `2`

`-` Vế trước chia QKĐ `=>` Vế sau cũng chia thì QKĐ ( câu cho sẵn)

`4`. My father hasn't seen his brother for nearly `10` years.

`-` Cấu trúc: It's+ khoảng TG+ since+ S+ last+ Ved/ V2+...

`≈` S+ have/ has+ not+ Vpp+...+ for+ khoảng TG

1. The last time Mike visited his hometown was 2015.

Giải thích:

S + have/ has + not + V3 + since + time (past) = The last time + S + Ved + was + time (past) 

2. Because of the heavy rain, Jane has canceled the appointtinment.

Giải thích : 

Because + mệnh đề = Because of + danh từ, cụm danh từ

3. Because the party was boring, we decided to leave early.

Giải thích : 

Because + mệnh đề = Because of + danh từ, cụm danh từ

4. My father hasn't seen his brother for 10 years.

Giải thích:

It's + time + since + S + Ved = S + hasn't V3 + for + time