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使用情況 例句 “不可數(shù)名詞、可數(shù)名詞單數(shù)、單數(shù)代詞、不定式(短語)、動名詞(短語)、從句”等用作主語，謂語動詞用單數(shù)形式。 The girl is fond of singing. To protect the environment is our duty. Reading in the sun is bad for our eyes. 表示復(fù)數(shù)的名詞、代詞作主語，謂語動詞用復(fù)數(shù)形式。 The students are having their math class. They have been to Qingdao twice. and連接主語時，如果該并列主語指的是兩個或兩個以上的人或事物，謂語動詞用復(fù)數(shù)形式；如果該并列主語指的是“同一個人或事物”(即and后面的名詞前面沒有冠詞)，則謂語動詞要用單數(shù)形式 Eating vegetables and doing exercise are good for our health. The writer and teacher is coming. The writer and the teacher are coming. both…and…連接主語，謂語動詞用復(fù)數(shù)形式 Both Peter and Mike come from England. 有些只有復(fù)數(shù)形式的名詞(如glasses，shorts，trousers，jeans，shoes，clothes，gloves等)作主語時，謂語動詞用復(fù)數(shù)形式。 Jack's glasses are broken. Linda's shoes are black and blue. “a number of+復(fù)數(shù)名詞”作主語，謂語動詞用復(fù)數(shù)形式；“the number of+復(fù)數(shù)名詞”作主語，謂語動詞用單數(shù)形式。 A number of trees have been planted. The number of the men teachers in our school is more than 120. 不定代詞another，each one，either，neither，the other，somebody，someone，something，nobody，every-body，everyone，everyth-ing，nothing，anybody，any-thing，anyone，no one等作主語時，謂語動詞用單數(shù)形式。 Is everyone here? Something is wrong with my computer. I called you last night，but nobody was in. 主語后面跟with，along with，like，except，besides，as well as，together with，including，no less than，rather than，as much as等詞或短語時，謂語動詞的數(shù)與主語保持一致。 Mei Mei，with her parents，often goes to the park on Sunday. A teacher，together with some students，is standing at the gate. 主語前面有表示“單位、度量”的短語如“a kind(sort/type/form/pair/cup/glass/piece/load/block/box/handful/quantity/ton/metre/…)of”等時，表示“單位、度量”的這個名詞的單復(fù)數(shù)決定謂語的單復(fù)數(shù)形式。 This kind of car is made in China. Large quantities of water are needed. “分數(shù)或百分數(shù)+名詞”作主語或“a lot of/lots of，plenty of，most of+名詞”作主語時，謂語動詞的單、復(fù)數(shù)形式取決于名詞。若名詞是單數(shù)可數(shù)名詞或者是不可數(shù)名詞，則謂語動詞用單數(shù)形式；若名詞是可數(shù)名詞復(fù)數(shù)，則謂語動詞用復(fù)數(shù)形式。 Two thirds of the work has been finished. Most of the books are written in English. 　注意：(1)what從句作主語時，如果表示的是單數(shù)意義，則謂語動詞用單數(shù)形式；如果表示的是復(fù)數(shù)意義，則謂語動詞用復(fù)數(shù)形式。如： What we need is time.我們需要的是時間。 What she needs are good books.她需要的是一些好書。 (2)and連接并列主語，若前面有each，every，many a，no等詞修飾時，謂語動詞通常用單數(shù)形式。如： Each boy and each girl has got a present.每個男孩和女孩都收到了一份禮物。