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稱為重讀開音節(jié)。例如:cake,be,bike,hope,student/ruler and so on 在一個重讀音節(jié)中,元音字母a,e,i,o, u,分別發(fā)/230。/,/e/,/i/,/o/,/u//時,稱為重讀閉音節(jié)。例如:apple,bed,big,orange,must等。 需要注意的是這里所指的是但個元音字母,字母組合不分開、閉音節(jié)。 很抱歉,有兩個音標(biāo)不能打出來。 b. 不規(guī)則動詞的過去式變化沒有什么規(guī)律。(應(yīng)注意積累)如: is/am—was, are—were, do—did, have/has—had, go—went, e—came, sing—sang, make—made, take—took, eat—ate, drink—drank, run—ran, draw—drew, fly—flew, give—gave, buy—bought, meet—met, write—wrote, see—saw, go—went,sit—sat, grow—grew, take—took 等。 3. 規(guī)則動詞過去式的詞尾讀音。 1)在清輔音后讀/t/ 如:helped, liked, watched. 2) 在濁輔音和元音后讀/d/ 如:lived, listened. 3) 在/t/和/d/的后面讀/id/ 如:wanted, planted. 4.一般過去時的幾種句子結(jié)構(gòu)。 1)陳述句: ?。褐髡Z+動詞的過去式+其他?! ∪纾篒 played football with my friends last Sunday. ?。褐髡Z+助動詞didn’t+動詞原形+其他?! ∪纾篠he didn’t go to school yesterday. 2) 一般疑問句:助動詞Did+主語+動詞原形+其他? 如:Did you read English last night? 3) 特殊疑問句:特殊疑問詞What+助動詞did+主語+動詞原形+其他? 如:What did you do last week? 5. There be 句型的過去時態(tài)?! ?)肯定句:There was/were a/an/some … 2) 否定句:There wasn’t/weren’t a/an/any … 3) 一般疑問句: Was/Were there a/an/any …?回答:Yes, there was/were. / No, there wasn’t/weren’t.看聽學(xué)第二冊規(guī)則動詞的過去式及過去分詞:(1)直接加ed(e結(jié)尾單詞直接加d)(2)雙寫最后一個字母加ed(3)輔音字母加y結(jié)尾的去y加ied(1)直接加edCount counted countedPost posted posted Visit visited visitedWait waited waited Fold folded foldedListen listened listenedOpen opened openedClean cleaned cleanedPlay played playedFill filled filledTurn turned turnedRemember remembered remembered Answer answered answeredPull pulled pulled Push pushed pushedWeigh weighed weighedPour poured pouredEnjoy enjoyed enjoyedFollow followed followedCall called called Remain remained remainedWalk walked