1. My current house is not as big as the old one.
2. That train is not as convenient as this train.
3. Playing games is better than playing sports. 
4. Your kitchen is bigger than mine. 
5. Dave is not as tall as Jim. 
6. Dad speaks English better than Mum.  
7. Hoa cooks better than Lan.
8. That watch is not as bad as this watch.
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not as + adj + as = be/V + adj (từ trái nghĩa, so sánh hơn) than

So sánh hơn của ADJ/ADV ngắn 
S + be/V + ADJ/ADV + ER + than ……
So sánh hơn của ADJ/ADV dài 
S + be/V + more + ADJ/ADV + than ……

So sánh bằng: S + be + as + ADJ + as + ....

ADJ dài là từ có 2 âm tiết trở lên 
ADJ ngắn là từ có 1 hoặc 2 âm tiết tận cùng là - er, -ow, - y 
- Tận cùng là y → đổi -y thành - i và thêm ER
- Tận cùng là e → thêm R 
- Phụ + nguyên + phụ âm → ta gấp đôi phụ âm cuối → và thêm ER 

ADJ + ly --> ADV dài

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1. My current house isn't as big as the old one.

2. That train isn't as convenient as this one.

3. Playing games is better than playing sports.

4. Your kitchen is bigger than mine.

5. Dave isn't as tall as Jim.

6. Dad speaks English better than Mum.

7. Hoa cooks better than Lan.

8. That watch isn't as bad as this one.

`color{orange}{~LeAiFuRuiHuiBao~}`