1.accept, except, accept 是动词，except 是介词。

　　F:They excepted my invitation to dinner.

　　T:They accepted my invitatipn to dinner.

　　F:Everyone attended the meeting accept the secretary.

　　T:Everyone attended the meeting except the secretary.

　　2.advice, advise, advice 是名词，advise 是动词。

　　F:His advise was very useful.

　　T:His advice was very useful.

　　F:I was adviced to purchase an economical car.

　　T:I was advised to purchase an economical car.

　　3.affect, effect. affect 是动词; 意为influence. effect 可以是动词也可以是名词。动词effect意为cause to happen, 名词effect意为the result。

　　F:Pollution effects everyone.

　　T:Pollution affects everyone.

　　F:Your tears do not effect me.

　　T:Your tears do not affect me.

　　F:What is the affect of that drug?

　　T:What is the effect of that drug?

　　5.most ,almost most 是形容词almost是副词。

　　F:Most everyone has a desire to succeed.

　　T:Almost everyone has a desire to succeed.

　　F:The student was most finished when the bell rang.

　　T:The student was almost finished when the bell rang.

　　F:The children ate most all of the pie.

　　T:The children ate almost all of the pie.

　　--The children ate most of the pie.

　　6. already, all ready. already 意为 before the time specified. all ready 意为 completely prepared。

　　F:The movie had all ready begun by the time we arrived.

　　T:The movie had already begun by the time we arrived.

　　F:Are you already to go?

　　T:Are you all ready to go?

　　7.altogether, all together. altogether意为thoroughly. Alt together 意为 in a group。

　　F:All together confused, he asked me to explain the word again.

　　T:Altogether confused, he asked me to explain the word again.

　　F:The passengers stood altogether in the station.

　　T:The passengers stood all together in the station.

　　8.amount,number,amount指不可数名词，number指不可数名词。

　　F:He checked out a large amount of books from the library.

　　T:He checked out a large number of books from the library.

　　F:I was amazed by the amount of people present.

　　T:I was amazed by the number of people present.

　　F:Elephants can consume a large number of food.

　　T:Elephants can consume a large amount of food.

　　9. anywheres, somewheres, everywheres. 去掉s。

　　F: We can talk anywheres.

　　T:We can talk anywhere.

　　F:I lost my umbrella somewheres in the store.

　　T:I lost my umbrella somewhere in the store.

　　10. about, around. around指地点,about意为approximately

　　F: The mail arrived around ten o’clock.

　　T:The mail arrived about ten o’clock.

　　F:He is around six feet tall.

　　T:He is about six feet tall.