`1`.This man is very clever , so he can make fine things from wood

`\rightarrow` So dùng để chỉ kết quả

`2`.My brother was tall , so he could play volleyball well

`\rightarrow` So dùng để chỉ kết quả

`3`.They used to go swimming in the river last summer

`\rightarrow` `\text{S + used to + V :}` Đã từng

`4`.I am going to travel to Ha Noi by plane

`\rightarrow` Thì TLG : `\text{S + be + going to do sth}`

`5`.They are going to visit the history museum next weekend

`\rightarrow` Thì TLG : `\text{S + be + going to do sth}`

`\rightarrow` Đặc điểm nhận dạng : next

`\text{@ TheFox}`