1.Because he was ill yesterday, so he didn’t go to work. (×)

　　Because he was ill yesterday, he didn’t go to work. (√)

　　He was ill yesterday, so he didn’t go to work. (√)

　　[析] 用though, but表示“雖然……，但是…… ”或用because, so 表示“因?yàn)椤�…，所以……”時(shí)，though和but 及because和so 都只能擇一而用，不能兩者同時(shí)使用。

　　2.The Smiths have moved Beijing. (×)

　　The Smiths have moved to Beijing. (√)

　　[析] 不及物動(dòng)詞后接名詞或代詞作賓語時(shí)，要在動(dòng)詞之后加上適當(dāng)?shù)慕樵~;但不及物動(dòng)詞后接home, here, there等副詞作賓語時(shí)，動(dòng)詞之后不必加任何介詞。

　　3.The box is too heavy for him to carry it. (×)

　　The box is too heavy for him to carry. (√)

　　[析] the box既是這句話的主語, 也是不定式to carry的邏輯賓語，若句末再加上it，就和the box重復(fù)了。

　　4.Each of the boys have a pen. (×)

　　Each of the boys has a pen. (√)

　　[析] 復(fù)數(shù)名詞前有表個(gè)體的each of, one of, every，either of等詞組修飾，或有表否定的neither of, none of 等詞組修飾時(shí)，謂語動(dòng)詞要用單數(shù)形式。

　　5.例:那是你心軟!我不就是一個(gè)例子嗎?

　　Neither he nor you is good at English. (×)

　　Neither he nor you are good at English. (√)

　　[析] either... or..., neither... nor..., not only..., but also... 等詞組連接句子的兩個(gè)主語時(shí)，謂語動(dòng)詞遵循“就近一致原則”, 即由靠近謂語的那個(gè)主語決定謂語的人稱和數(shù)用何種形式。

　　6.Ten minus three are seven. (×)

　　Ten minus three is seven. (√)

　　[析] 用英語表示加(plus)、減(minus)等數(shù)學(xué)運(yùn)算時(shí)，謂語動(dòng)詞也用單數(shù)形式。

　　7.The number of the workers in this factory are about 5,000. (×)

　　The number of the workers in this factory is about 5,000. (√)

　　[析] the number of表示“……的數(shù)量”，謂語動(dòng)詞用單數(shù)形式;a number of 的意思是“若干”或“許多”，相當(dāng)于some或a lot of，和復(fù)數(shù)名詞連用，謂語動(dòng)詞用復(fù)數(shù)形式。

　　8. 例. Hello! I have important something to tell you. (×)

　　Hello! I have something important to tell you. (√)

　　[析] 形容詞或動(dòng)詞不定式修飾不定代詞作定語時(shí)，修飾成分要置于不定代詞之后。

　　9. His son is enough old to go to school. (×)

　　His son is old enough to go to school. (√)

　　[析] enough作形容詞修飾名詞時(shí)，可以放在名詞前，也可放在名詞后;作副詞修飾形容詞或副詞時(shí)，只能放在形容詞或副詞之后。

　　10.. Here is your sweater, put away it.(×)

　　Here is your sweater, put it away. (√)

　　[析] put away, pick up, put on等“動(dòng)詞+副詞”構(gòu)成的詞組后接代詞作賓語時(shí)，代詞只能放在動(dòng)詞和副詞之間。