句型［主语+谓语+more/less+形容词原级/副词+than+被比对象］

　　1. This book is more interesting than that one.

　　2. He is more attentive in class now than he was last term.

　　3. It's less cold than it was yesterday.

　　4. He works more regularly than you do.

　　5. The new edition is less expensive than the old one.

　　[注1] 使用比较级要注意两点：

　　1) 不要使用双重比较级， 如：(误) His younger brother was more stronger than he.

　　(正) His younger brother was much stronger than he. His younger brother was stronger than he.

　　2) 不要使用无比较对象的孤立的比较级。如：(误) We saw many smaller houses on both sides of the river.

　　(正) We saw many small houses on both sides of the river.

　　(正) We saw many houses smaller than usual on both sides of the river.

　　[注2] 比较级前可加一些增强语气的词，如：much, even, still, a little (bit), slightly, far , any, no, a lot 等。

　　My room is a little (bit) smaller than hers. Eighteen is much less than eighty.

　　[注3] 如果表示"因…而更…" 可用句型 the+比较级+for (或because, as等词)，

　　如： I like him all the better for his faults. I do not like him the less because he has faults.

　　He is none the happier for his wealth. A good tale is none the worse for being twice told.

句型［主语+谓语+not so/not as+形容词原级/副词+as+被比对象］

　　1. Tom is not so tall as his brother. (Tom is less tall than his brother.)

　　2. Mr. Green is not so old as he looks. 3. It isn't as cold as it was yesterday.

　　4. John doesn't work so hard as Henry.

　　5. Dawney answered slowly: "Never so happy as when my hands are full.

句型［主语+谓语+以or结尾的形容词比较级+to+被比对象］

　　1. His strength is superior to (=greater than) mine. 2. My knowledge is inferior to (=less than) his.

　　3. Is your father senior to mine? My father is junior to yours.

　　4. His arrival in New York is posterior to that of my friend.

　　5. Colored people are by no means inferior to white people.