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一般現(xiàn)在時(shí)
一. 意義:表示經(jīng)常發(fā)生的事情,動(dòng)作或存在的狀態(tài)
二. 構(gòu)成及變化
1.be動(dòng)詞的變化。
肯定句:主語(yǔ)+be(am,is,are)+其它。如: I am a boy.我是一個(gè)男孩。
否定句:主語(yǔ)+ be + not +其它。如:He is not a worker.他不是工人。
一般疑問(wèn)句:Be +主語(yǔ)+其它。 如:-Are you a student? -Yes. I am. / No, I'm not.
特殊疑問(wèn)句:疑問(wèn)詞+一般疑問(wèn)句。如:Where is my bike?
2. 行為動(dòng)詞的變化。
當(dāng)主語(yǔ)為先進(jìn),二人稱(chēng)及復(fù)數(shù)時(shí),助動(dòng)詞為do
肯定句:主語(yǔ)+動(dòng)詞原形(+其它)。如: We often play basketball after school.
否定句:主語(yǔ)+ don't+動(dòng)詞原形(+其它)。如:we don’t play basketball after school.
一般疑問(wèn)句:Do +主語(yǔ)+動(dòng)詞原形+其它?
如: Do you often play basketball after school l? Yes, we do. / No, we don't.
特殊疑問(wèn)句:疑問(wèn)詞+以do開(kāi)頭的一般疑問(wèn)句?
如: What do you often do after school ?
當(dāng)主語(yǔ)為第三人稱(chēng)單數(shù)時(shí) ,助動(dòng)詞為does
肯定句:主語(yǔ)+動(dòng)詞三單式(+其它)。如: He swims well.
否定句:主語(yǔ)+ doesn’t+動(dòng)詞原形(+其它)。如:He doesn’t swim well..
一般疑問(wèn)句:Does +主語(yǔ)+動(dòng)詞原形+其它。
如:Does he swim well ? Yes, he does. / No, he doesn't.
特殊疑問(wèn)句:疑問(wèn)詞+以does開(kāi)頭的一般疑問(wèn)句?
如: How does your father go to work?
三.第三人稱(chēng)單數(shù)的動(dòng)詞變化規(guī)則(只有在第三人稱(chēng)為主語(yǔ)的肯定句中,動(dòng)詞才用三單式)
(1)多數(shù)動(dòng)詞直接加s:runs gets likes collets takes plays climbs…….
(2)結(jié)尾是s, x, sh, ch, o,前為輔音字母,
結(jié)尾加es :watches teaches goes does washes crosses mixes brushes
(3)動(dòng)詞末尾y前為輔音:將y改為i加es: study→studies fly→flies carry→carries cry→cries
但在y前如果為元音則直接加s:buys says
四.時(shí)間標(biāo)志:always , usually , often , sometimes ,every…
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