My brother and I __are sitting_______ (sit) next to you and your sister now.

(-) My brother and I __aren't sitting__ (sit) next to you and your sister now.

(?) __Are__ your brother and you __sitting_______ (sit) next to me and my sister now.

→ Yes, We are.

Now ⇒ HTTD

Cấu trúc: 

(+) S + be + Ving..

(-) S + be + not + Ving..

(?) Be + S + Ving...?

→ Yes, S + be

→ No, S + be + not

Mr. Hung and his sons __often fly__ (often/ fly) their kites in the afternoon.

(-) Mr. Hung and his sons __don't often fly__ (often/ fly) their kites in the afternoon.

(?) Do Mr. Hung and his sons __often fly__ (often/ fly) their kites in the afternoon?

→ No, They don't.

often ⇒ HTĐ

Cấu trúc: 

(+) S + V(s/es) + O...

(-) S + do/does + not + V1 + O..

(?) Do/does + S + V1 + O...?

→ Yes, S + do/does

→ No, S + do/does + not

The ox _usually eats_ (usually/ eat) the grass in the field.

(-) The ox _doesn't usually eat_ (usually/ eat) the grass in the field.

(?) Does the ox _usually eat_ (usually/ eat) the grass in the field?

→ No, It doesn't.

usually ⇒ HTĐ

Cấu trúc: 

(+) S + V(s/es) + O...

(-) S + do/does + not + V1 + O..

(?) Do/does + S + V1 + O...?

→ Yes, S + do/does + not

→ No, S + do/does + not

Vị trí trạng từ thường xuyên trong câu:

- Sau động từ Tobe

- Trước động từ thường

- Giữa trợ động từ và động từ chính

@Càng