1. This skirt it more expensive than that dress (not as ... as)

=> That dress isn't as expensive as this skirt

2. The road was slippery, so they couldn’t drive fast. (Because)

=> They couldn't drive fast because the road was slippery

*Cấu trúc với becase ( bởi vì):

S + V + because + S + V

Kết quả                  nguyên nhân

*Cấu trúc so sánh không ngang bằng : not as và so sánh hơn : 

S1 + be + more ( hoặc tính từ đuôi er) + adj (er) than + S2

=> S1 + be + not as + adj + as + S2

1. This skirt it more expensive than that dress (not as ... as)

-> That dress is not as expensive as this shirk

S1+ tobe+not as + adj+ as+ S2

2. The road was slippery, so they couldn’t drive fast. (Because)

-> They couldn't drive fast, because the road was slipper