both的用法(1)

1、Both：adj. 兩個(gè)的，兩者的 adv. 并，又，兩者都 pron. 雙方都，兩者都 conj. 既且both表示兩者都，有多種詞性。例：副詞：We are both students.代詞：The brothers are good at playing basketball. Both will take part in the game.形容詞：Both (the) instruments are valuable to this process.連詞：Both copper and silver are good conductors of electricity. 銅和銀都是良好

2、的導(dǎo)電體。它的否定形式是neither，詞性和both一樣，例：We are neither student.Neither of us is a student. = Either of us is not a student.Both可以和名詞、代詞連用，也可以和動(dòng)詞連用，在句子中做主語、賓語及同位語，也可以做定語。1） both和名詞、代詞連用both + (of) +the/物主代詞/指示代詞/ + 名詞Both of the cats are asleep.I bought both of these bottles in China two years ago.Both of hi

3、s daughters are doctors.在人稱代詞前一定要用both of，不能說both we, both us, 但可以說us both, them both.Both of us like skating,I want both of them.2） both直接修飾名詞，不加ofBoth children won prizes.注意：不能說both of children，可說both of the childrenIve got oil on both hands.注意：不能說both of hands, 可說both of my hands.當(dāng)both在句中作主語的同位語時(shí)

4、，也可以與動(dòng)詞連用，both在句中的位置通常用于be動(dòng)詞、助動(dòng)詞或情態(tài)動(dòng)詞之后， 實(shí)義動(dòng)詞之前。1） 放在be動(dòng)詞之后The children are both lovely.They are both from Australia.注意：在感嘆句或者簡(jiǎn)略答語中，both應(yīng)該置于be之前。How beautiful they both are!-Are you both from Japan?-Yes, we both are.2）放在行為動(dòng)詞前 We both like watching TV. They both want to go shopping.3） 當(dāng)謂語動(dòng)詞是由幾部分組成時(shí)，b

5、oth要放在第一個(gè)助動(dòng)詞后面We have both studied acting.The rooms have both been cleaned.both做代詞，可單獨(dú)使用，其后不接名詞The brothers are good at playing basketball. Both will take part in the game.-Which one do you want?-Ill take both please.注意：both與not連用，是部分否定Both the doors are not open.bothand 兩者都，能連接各種并列成分。 Both Mary and Tina are girls. (連接兩個(gè)主語) If you are success, you can get both money and power. (連接兩個(gè)賓語) These books are both interesting and helpful. (連接兩個(gè)表語) It is necessary to build a lot of petrochemical works, both because of Chi