I'd rather you didn't came 

Công thức: S + would rather + S + V2/ed : muốn ai làm gì

I wish he could come here

Câu điều ước không có thật ở hiện tại : S + wish + S + V2/ed

Can-> could

tobe->were/were not

Jean cloth was made by them completely from cotton in the 18th century

Công thức câu bị động thì quá khứ đơn

S + was/ were + PII + (by O).

S+ was/ were + not + PII + (by O).

Was/ Were + S + PII + (by O) ?

He started to live in Ha Noi when he was 12

S + started + to V + when time = S + has/have + V3/ed + since time

$1.$ I'd rather you didn't came.

$⇒$ S + would rather + S + V2 / V-ed + O.

$⇒$ Cấu trúc trên dùng để nói rằng muốn ai làm gì

$2.$ I wish he could come here.

$⇒$ S + wish + S + V2 / V- ed + O.

$⇒$ Đây là câu điều ước không có thật ở hiện tại

$Change :$

To be $⇒$ Were / Were not

Can $⇒$ Could

$3.$ Jean cloth was made by them completely from cotton in the 18th century.

$⇒$ Đây là câu bị động thì QKĐ :

$(+)$ S + was / were + V3 / V-ed + ( by O ).

$(-)$ S + was / were + not + V3 / V-ed + ( by O ).

$(?)$ Was / Were + S + V3 / V-ed + ( by O ) ?

$4.$ He started to live in Ha Noi when he was 12.

$⇒$ S + started + to + V_inf + when + time.

$=$ S + has / have + V3 / V- ed + since + time.

$⇒$ Hai cấu trúc trên dùng để chỉ bắt đầu làm cái gì khi nào