IV/
Câu 2 : Would join (vì mệnh đề if chia thì qkđ nên mệnh đề chính chia Would + V_Inf)

Câu 3:  Would be ( vì mệnh đề if có were nên mệnh đề chính chia Would + V_Inf);
Câu 4 : Wouldn't dump (tương tự như trên)
Câu 5 ; Would happen (tương tự như trên)
Câu 6 : Were (Vì đây là câu đk loại 2 nên mệnh đề if chia be thành were)

Câu 7 : Would be (vì mệnh đề if chia thì qkđ nên mệnh đề chính chia Would + V_Inf)
Caau 8 : Had ( Vì điều này k có thật nên câu đk loại 2 mệnh đề if chia qkđ)

Câu 9  : Wouldn't be (Tương tự như câu 2 )
V/
Câu 2 : If there weren't so many billboard in our city, People could enjoiy the view

Câu 3 : If there weren't so much light in the city at nigh,We Could see the stars clearly
Câu 4 : If we didn't turned on the heater all the time , We wouldn't have to pay three milion dong for electricity a month
Câu 5 : If the karaoke bar didn't make so much noise almost every night , The reisident wouldn't  complain to its owner
Câu 6 : If she didn't work in a noisy coffe , She wouldn't has a headache after work every day

`2.` would join 

`3.` would be

`4.` wouldn't dump 

`5.` would happen

`6.` were

`7.` would be

`9.` wouldn't be 

`10.` wouldn't grow
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`2.` If there weren't so many billboard in our city, people could enjoiy the view

`3.` If there weren't so much light in the city at nigh, we could see the stars clearly

`4.` If we didn't turned on the heater all the time, we wouldn't have to pay three milion dong for electricity a month

`5.` If the karaoke bar didn't make so much noise almost every night, the reisident wouldn't  complain to its owner

`6.` If she didn't work in a noisy coffe, she wouldn't has a headache after work every day

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`-` Áp dụng:

`+)` Câu điều kiện loại `2`:

`->` If + S + V2/ed, S + would/ could/ might (not) + V

`->` If + S + were, S + would/ could/ might (not) + V