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

`-` Cấu trúc: S + have/has not + V3/Ved + since/for + time

     = The last time + S + V2/Ved + was + time

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

`-` Cấu trúc: S + V + because + S + V   (bởi vì ... )

     = Because of + N/ N.phr/ V_ing, S + V

`->` Dùng để chỉ nguyên nhân - kết quả

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

`-` Cấu trúc: S + V + because of + N/ N.phr/ V_ing

   = Because + S + V, S + V

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

`-` Cấu trúc: It's + time + since + S + (last) + V2/Ved

   = S + have/has not + V3/Ved + since/for + time

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

$-$ Cấu trúc chung:

S + have/has (+ not) + V3/pII + since$-$mốc thời gian/ for$-$khoảng thời gian.

$=$ The last time + S + V2/ed + was/were (+giới từ) + time.

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

$-$ Cấu trúc chung:

$-$ Mệnh đề 1 + because + mệnh đề 2 (trong đó: mệnh đề 1 là điều kiện/ lí do/ nguyên nhân của sự việc xảy ra ở mệnh đề 2).

$=$ Because of danh từ/ cụm danh từ/ tobe(theo thì) + V_ing, S + V(theo thì).

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

$-$ Cách giải thích tương tự câu 2.

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

$-$ Cấu trúc chung: 

It's + time + since + S (+ last) + V2/ed.

= S + have/has (+ not) + V3/pII + since$-$mốc thời gian/ for$-$khoảng thời gian.

----------------

$@haanx2$