if

　　[誤] If it will rain I wont go to school tomorrow.

　　[正] If it rains I wont go to school tomorrow.

　　[析] 由if引起的狀語從句要用一般時表示將來。

　　[誤] I want to know if he comes here tomorrow.

　　[正] I want to know if he will come here tomorrow.

　　[析] if所引起的如果是賓語從句則不能用一般現(xiàn)在時表示將來。

　　[誤] I want to know if it will rain tomorrow he will come or not.

　　[正] I want to know if it rains tomorrow he will come or not.

　　[析] 這里的if從句是整個賓語從句的條件狀語，所以，還應(yīng)用一般時表示將來。

　　ill

　　[誤] He spent many years looking after his ill father.

　　[正] He spent many years looking after his sick father.

　　[析] ill和sick都可以作表語，如： Im ill (sick). 美國英語中常用sick， 而英國英語中兩者都可用，但ill一般不作定語。

　　in

　　[誤] In a cold morning, I went to school alone.

　　[正] On a cold morning, I went to school alone.

　　[析] 在in the morning或in the afternoon詞組中，不論在這兩個名詞的前或后加任何修飾詞，其介詞in都要變?yōu)閛n.

　　[誤] I will finish it after two days.

　　[正] I will finish it in two days.

　　[析] 中文中幾天以后可以完成，或幾天后來取，在譯為英文時都不要用after，而要用in.如： He will be back in a few days.

　　in into

　　作為副詞應(yīng)用in，而不能用into，如： Come in, please. 又若在句中不涉及到動詞的位置，只是表達空間的位置時用in，如： The teacher in the office is my mother. 但在go, run, come, walk, dive等詞后則要用into. 如： She dives into the river.

　　instead

　　[誤] The boy stayed in bed all day instead to go to school.

　　[正] The boy stayed in bed all day instead of going to school.

　　[析] instead of其后要接動名詞、名詞或代詞，而不能用不定式，如： I choose this book instead of that one.

　　[誤] The beer here is not good, so I drink wine instead of it.

　　[正] The beer here is not good, so I drink wine instead.

　　[析] instead是副詞，而instead of是介詞短語。如： If you are not free, you may come another day instead.

　　interest

　　[誤] He has a great interest for physics.

　　[正] He has a great interest in physics.

　　[誤] He has some interest in many companies.

　　[正] He has some interests in many companies.

　　[析] interest作為興趣講可用作不可數(shù)名詞，但作為利息、股份講時為可數(shù)名詞。

　　[誤] This is an interested book.

　　[正] This is an interesting book.

　　[析] 修飾物時應(yīng)用interesting, 如，an interesting film，而講某人對某事感興趣時要用過去分詞interested，如： Im interested in this play. 但他是一個十分有趣的人。應(yīng)譯為He is an interesting man. 所以interesting是令人感興趣之意，而interested則表示某人對某事物感興趣，多用be interested in something這一句型。

　　invent

　　[誤] America was invented by Christopher Columbus in 1492.

　　[正] America was discovered by Christopher Columbus in 1492.

　　[析] invent意為發(fā)明即從無到有，如： Compass was invented by the Chinese people. 而discover則意為發(fā)現(xiàn)。

　　it

　　[誤] That takes me ten years to finish this work.

　　[正] It takes me ten years to finish this work.

　　[析] it在這個句中的語法作用是形式主語，而真正的主語是句子后面的不定式。有的句子要用it作形式主語或形式賓語，如： I think it difficult to learn English well.

　　if

　　[誤] If it will rain I wont go to school tomorrow.

　　[正] If it rains I wont go to school tomorrow.

　　[析] 由if引起的狀語從句要用一般時表示將來。

　　[誤] I want to know if he comes here tomorrow.

　　[正] I want to know if he will come here tomorrow.

　　[析] if所引起的如果是賓語從句則不能用一般現(xiàn)在時表示將來。

　　[誤] I want to know if it will rain tomorrow he will come or not.

　　[正] I want to know if it rains tomorrow he will come or not.

　　[析] 這里的if從句是整個賓語從句的條件狀語，所以，還應(yīng)用一般時表示將來。

　　ill

　　[誤] He spent many years looking after his ill father.

　　[正] He spent many years looking after his sick father.

　　[析] ill和sick都可以作表語，如： Im ill (sick). 美國英語中常用sick， 而英國英語中兩者都可用，但ill一般不作定語。

　　in

　　[誤] In a cold morning, I went to school alone.

　　[正] On a cold morning, I went to school alone.

　　[析] 在in the morning或in the afternoon詞組中，不論在這兩個名詞的前或后加任何修飾詞，其介詞in都要變?yōu)閛n.

　　[誤] I will finish it after two days.

　　[正] I will finish it in two days.

　　[析] 中文中幾天以后可以完成，或幾天后來取，在譯為英文時都不要用after，而要用in.如： He will be back in a few days.

　　in into

　　作為副詞應(yīng)用in，而不能用into，如： Come in, please. 又若在句中不涉及到動詞的位置，只是表達空間的位置時用in，如： The teacher in the office is my mother. 但在go, run, come, walk, dive等詞后則要用into. 如： She dives into the river.

　　instead

　　[誤] The boy stayed in bed all day instead to go to school.

　　[正] The boy stayed in bed all day instead of going to school.

　　[析] instead of其后要接動名詞、名詞或代詞，而不能用不定式，如： I choose this book instead of that one.

　　[誤] The beer here is not good, so I drink wine instead of it.

　　[正] The beer here is not good, so I drink wine instead.

　　[析] instead是副詞，而instead of是介詞短語。如： If you are not free, you may come another day instead.

　　interest

　　[誤] He has a great interest for physics.

　　[正] He has a great interest in physics.

　　[誤] He has some interest in many companies.

　　[正] He has some interests in many companies.

　　[析] interest作為興趣講可用作不可數(shù)名詞，但作為利息、股份講時為可數(shù)名詞。

　　[誤] This is an interested book.

　　[正] This is an interesting book.

　　[析] 修飾物時應(yīng)用interesting, 如，an interesting film，而講某人對某事感興趣時要用過去分詞interested，如： Im interested in this play. 但他是一個十分有趣的人。應(yīng)譯為He is an interesting man. 所以interesting是令人感興趣之意，而interested則表示某人對某事物感興趣，多用be interested in something這一句型。

　　invent

　　[誤] America was invented by Christopher Columbus in 1492.

　　[正] America was discovered by Christopher Columbus in 1492.

　　[析] invent意為發(fā)明即從無到有，如： Compass was invented by the Chinese people. 而discover則意為發(fā)現(xiàn)。

　　it

　　[誤] That takes me ten years to finish this work.

　　[正] It takes me ten years to finish this work.

　　[析] it在這個句中的語法作用是形式主語，而真正的主語是句子后面的不定式。有的句子要用it作形式主語或形式賓語，如： I think it difficult to learn English well.