`1`.I think watching television is interesting

`\rightarrow` Cấu trúc : S + think + V-ing / N + be + adj

`2`.Hung has learnt English since 2010

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`3`.We should eat more vegetables and fruits

`\rightarrow` S + should / shouldn't + V : Nên / Không nên làm gì

`4`.Because it rains hard , I can't go to school on time

`\rightarrow` Because dùng để chỉ nguyên nhân hoặc lý do

`\text{@ TheFox}`