请看以下的句子,特别注意划线的字群:
1.Understanding English is easy.
2.I want you to work hard.
3.Peter, who has been to England, speaks good English.
4.I told him that I was going away.
Understanding English和to work hard有一共同特色,他们都没有主词,也没有动词,这种字群,叫做词组(phrase)。
Who has been to England和I was going away中,内部都有主词和动词,这种字群,叫子句(clause)。
由于我们已经对词组很熟悉,我们在这里不再讨论,而我们在这一章将多多介绍子句的用法。