$\text{1.}$ Mr.Hai eats dinner very close to his bedtime , so he usually has a stomachache

→ S + V + O , so + S + V + O ( mệnh đề chỉ nguyên nhân - kết quả ) 

$\text{2.}$ How many cartons of yohurt do you need ? 

→ How many + danh từ số nhiều đếm được + do/does/did/... + S + V ? 

$\text{3.}$ The house was not as expensive as we though at first .

→ S1 + be + as + adj + as + S2

$\text{4.}$ There isn't any rice left in electric cooker . 

→ left : còn lại 

→ any dùng trong câu phủ định