新一輪中考復(fù)習(xí)備考周期正式開始，中考網(wǎng)為各位初三考生整理了各學(xué)科的復(fù)習(xí)攻略，主要包括中考必考點(diǎn)、中考常考知識點(diǎn)、各科復(fù)習(xí)方法、考試答題技巧等內(nèi)容，幫助各位考生梳理知識脈絡(luò)，理清做題思路，希望各位考生可以在考試中取得優(yōu)異成績！下面是《2018中考英語一般過去時三種變化技巧知識點(diǎn)總結(jié)》，僅供參考！
一般過去時三種變化技巧
一變：肯定句變?yōu)榉穸ň?/div>
【技巧1】當(dāng)句中含有情態(tài)動詞或助動詞could，would，should等時，可直接在其后面加not構(gòu)成否定句。例如：
I could get you a concert ticket. → I could not / couldn't get you a concert ticket.
【技巧2】當(dāng)句中含有系動詞was，were 時，可直接在其后加not構(gòu)成否定句。例如：
I was on the Internet when you called me. → I was not / wasn't on the Internet when you called me.
【技巧3】當(dāng)句中謂語是除情態(tài)動詞、助動詞、系動詞was,were以外的動詞時，在該動詞之前加did not / didn't，動詞還原，構(gòu)成否定句。例如：
The famous singer sang some Chinese songs. → The famous singer did not / didn't sing any Chinese songs.
二變：陳述句變?yōu)橐话阋蓡柧?/div>
【技巧1】移動詞語的位置。將was，were,could，would，should等移到句首。例如：
He could pack his things himself. → Could he pack his things himself?
【技巧2】添加助動詞did。謂語是除情態(tài)動詞、助動詞、系動詞was,were以外的動詞時，在主語之前加did，動詞還原。例如：
Mr Li looked very old. → Did Mr Li look very old?
三變：陳述句變?yōu)樘厥庖蓡柧?/div>
【技巧1】確定疑問詞：人who / whom，物what，地點(diǎn)where，時間when / what time，原因why，頻率how often，長度how long，距離how far等等。例如：
They gave the concert last night. → When did they give the concert?
【技巧2】辨認(rèn)結(jié)構(gòu)形式：疑問詞+情態(tài)動詞/助動詞/ was / were / did +主語+...? 例如：
The accident happened near the station. → Where did the accident happen.
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