`2`.She asked her children if they were doing the washing up then

`\rightarrow` Câu tường thuật : S + asked + O + if / whether / wh + S + V ( lùi thì )

`3`.If you put too much salt in the soup , it will get too salty to eat

`\rightarrow` CĐK Loại 1 :

`-` If - clause : Thì HTĐ : S + Vs / es / không s , es

`-` Main - clause : Thì TLĐ : S + will + V

`4`.My team hasn't won the trophy for 3 seasons

`\rightarrow` Thì HTHT ( CPĐ ) : S + haven't / hasn't + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : for

`5`.He builds more skillfully than me

`\rightarrow` So sánh hơn ( Trạng từ ) : S1 + V + adv-er / more adv + than + S2

`6`.Although I warned , he tried to fix the computer himself

`\rightarrow` Although + C1 + C2 : Mặc dù

`\text{@ TheFox}`