cíu e với cần gấp lắm ạ

`1` He has never driven before.

`-` S + have/has + never + VpII + before.

`2` My has sat here for `6` hours.

`-` S + have/has + VpII + for + time.

`3` Before Nam went to work, he had prepared for breakfast.

`-` Before QKĐ, QKHT

`4` Mai stood on the chair so that she could get a better view.

`-` S + V + so that + S + V: ... để có thể ...

`5` When did she start doing DIY?

`-` When did + S + start + V-ing?

`6` Unless she learns English well, she won't find a good job.

`-` Câu điều kiện loại `1`: If/Unless + S + V(-s/es), S + will/modal verbs + V-inf

1. He has never driven before.

This / It is the first time + S+  has/have + V3/ed

= S + has/have + not/never + V3/ed + before

2. My has sat here for 6 hours.

S + has/have + V3/ed + for/since + time (thì HTHT)

3. Before Nam went to work, he had prepared for breakfast.

Before + QKĐ, QKHT

Hành động xảy ra trước chia QKHT

Hành động xảy ra sau chia QKĐ

4. Mai stood on the chair so that she wanted to get a better view.

Clause + so that / in order that + clause: mệnh đề chỉ mục đích

5. When did she do DIY?

How long + has/have + S+ V3/ed?

= When + did + S+ V1?

6. Unless she learns English well, she won't find a good job.

Unless (trừ khi) = If ... not 

if 1 : If + HTĐ, S + will/can/shall + V1

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