$\text{4.}$ She agreed to help me with the ending part of the presentation.

$\text{→}$ agree to-V: đồng ý

$\text{5.}$ Rose asked Denny when she should come to see her the next day?

$\text{1.}$ If my son didn't watch TV a lot, he wouldn't be short-sighted.

$\text{→}$ Câu đ/k loại 2 trái với HT

$\text{2.}$ As soon as I visit Los Angeles, I will move to New York.

$\text{→}$ As soon as thì TL: As soon as + HTD, TLD

$\text{3.}$ By the time I went out for shopping, he had come to my house.

$\text{→}$ By the time thì QK: By the time + QKD, QKHT.

$\text{4.}$ May I borrow your new laptop within 2 hours?

$\text{→}$ Tôi có thể mượn chiếc laptop mới của bạn trong vòng 2 giờ ko?

$\text{5.}$ Jenny might not stop using Facebook.

$\text{→}$ Jenny có thể ko ngừng sử dụng Facebook.

4.
 She agreed to help me with the ending part of the presentation.

agree + to + something’hoặc‘agree + to + do something’

5.
 Rose asked Denny when she should come to see her the next day

1.
 If my son didn't watch TV a lot, he wouldn't be short-sighted.
Câu điều kiện loại 2:  [If + thì quá khứ đơn],  [would + động từ nguyên mẫu]
dùng để nói về một sự việc KHÔNG THỂ thực sự xảy ra trong hiện tại nếu có một điều kiện nào đó.
2.
 As soon as I visit Los Angeles, I will move to New York.
S1 + V (hiện tại đơn) + as soon as + S2 + V (hiện tại đơn)
3.
 By the time I went out for shopping, he had come to my house.
By the time + S1 + was/were +…., S2 + had + V(ed/ PII).
4.
 May I borrow your new laptop within 2 hours?
5.
 Jenny might not stop using Facebook.
MIGHT+ BE + V-ING