2018小升初英語(yǔ)知識(shí)點(diǎn):一般過(guò)去時(shí)

編輯: 逍遙路 關(guān)鍵詞: 高中英語(yǔ) 來(lái)源: 高中學(xué)習(xí)網(wǎng)
  2018小升初英語(yǔ)知識(shí)點(diǎn):一般過(guò)去時(shí)
  1.一般過(guò)去時(shí)表示過(guò)去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài),常和表示過(guò)去的時(shí)間狀語(yǔ)連用。一般過(guò)去時(shí)也表示過(guò)去經(jīng);蚍磸(fù)發(fā)生的動(dòng)作感謝。
  2.Be動(dòng)詞在一般過(guò)去時(shí)中的變化:
  ⑴am 和is在一般過(guò)去時(shí)中變?yōu)閣as。(was not=wasn’t)
  ⑵are在一般過(guò)去時(shí)中變?yōu)閣ere。(were not=weren’t)
  ⑶帶有was或were的句子,其否定、疑問(wèn)的變化和is, am, are一樣,即否定句在was或were后加not,一般疑問(wèn)句把was或were調(diào)到句首。
  3.句中沒(méi)有be動(dòng)詞的一般過(guò)去時(shí)的句子
  否定句:didn’t +動(dòng)詞原形,如:Jim didn’t go home yesterday. 一般疑問(wèn)句:在句首加did,句子中的動(dòng)詞過(guò)去式變回原形。如:Did Jim go home yesterday? 特殊疑問(wèn)句:
  ⑴疑問(wèn)詞+did+主語(yǔ)+動(dòng)詞原形?如: What did Jim do yesterday? ⑵疑問(wèn)詞當(dāng)主語(yǔ)時(shí):疑問(wèn)詞+動(dòng)詞過(guò)去式?如:Who went to home yesterday?
  動(dòng)詞過(guò)去式變化規(guī)則
  1.一般在動(dòng)詞末尾加-ed,如:pull-pulled, cook-cooked
  2.結(jié)尾是e加d,如:taste-tasted
  3.末尾只有一個(gè)元音字母和一個(gè)輔音字母的重讀閉音節(jié),應(yīng)雙寫末尾的輔音字母,再加-ed,如:stop-stopped
  4.以“輔音字母+y”結(jié)尾的,變y為i,
  再加-ed,如:study-studied
  5.不規(guī)則動(dòng)詞過(guò)去式: am,is-was, are-were, do-did, see-saw, say-said, give-gave, get-got, go-went, come-came, have-had, eat-ate, take-took, run-ran, sing-sang, put-put, make-made, read-read, write-wrote, draw-drew, drink-drank, fly-flew, ride-rode, speak-spoke, sweep-swept, swim-swam, sit-sat


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