春七级英语下册Unit12Whatdidyoudolastweekend第3课时(GrammarFocus_3c)同步语法精讲精练课件

1、第三课时(Grammar Focus3c)单元同步语法精讲精练Unit 12What did you do last weekend?特殊疑问词对人提问用who/whom；对物提问用what；对地点提问用where；对时间提问用when/what time；对原因提问用why；对情况、感受等提问用how。结构(1)含be动词的特殊疑问句：特殊疑问句was/were主语其他？eg：Where were you last week？上周你在哪儿？How was your last summer vacation？你去年暑假过得怎样？ (2)含实义动词的特殊疑问句：特殊疑问词助动词did主语动词原形

2、其他？eg：What did Mike do yesterday afternoon？昨天下午迈克做了什么？When did Tony start to play the guitar？托尼什么时候开始弹吉他的？巧记不规则动词的过去式(1)动词过去式与原形一样，如：putput，letlet，readread，cutcut，hurthurt。(2)动词过去式以ought结尾，如：thinkthought，buybought，bringbrought，fightfought。(3)动词过去式以aught结尾，如：teachtaught，catchcaught。(4)动词原形末尾的ow/aw，大多

3、变为ew，如：knowknew，growgrew，throwthrew，drawdrew。(5)将动词原形中的ee变为e，词尾加t，如：keepkept，feelfelt，sleepslept，sweepswept。(6)将动词原形末尾的d变为t，如：buildbuilt，lendlent，sendsent，spendspent。(7)将动词原形中的i变为a或o，如：ringrang，sitsat，drinkdrank，singsang，swimswam，beginbegan，givegave，riderode，drivedrove，writewrote。一般过去时的判断(1)当句中有表示过去

4、的时间状语时，用过去时。这样的状语有：yesterday，如：yesterday morning昨天早上，at five oclock yesterday昨天五点钟。last，如：last week上周，last year去年，last Sunday afternoon上个星期天下午。ago，用“一段时间ago”表示“多久以前”，如：ten years ago十年前。过去的时间短语，如：in the 1990s在二十世纪九十年代，on May 1st 1892在1892年5月1日，in the old days在那些过去的日子里等。(2)根据句意确知某一动作发生在过去时，用一般过去时。eg：E

5、dison invented many useful things.爱迪生发明了许多有用的东西。一、句型转换。1Tina stayed at_home last night.(对画线部分提问)_ Tina _ last night?2They went_to_the_movies last Saturday.(对画线部分提问)_ they _ last Saturday?3The weather there was windy(对画线部分提问)_ the weather there?4Ann went to the mountain by_car(对画线部分提问)_ Ann _ to the

6、muntain?5She went there with her_friend(对画线部分提问)_ she _ there with? Where didstayWhat diddoHow wasHow didgoWho didgo二、用括号内所给单词的适当形式填空。6My parents _(go) to Beijing a week ago.7We _(take) a long bus ride to a lake yesterday.8Where _ your sister _(visit) yesterday?She _(visit) the farm.9Who _(teach) yo

7、u English last year?10When _ your mother _(buy) the pink dress?wenttookdidvisitvisitedtaughtdidbuy本课时其他知识点精讲精练 away副词，意为“离开；远离”。run (go) away跑(走)开；far away远离；在远处；right away立刻；马上；put away把收拾好；far away from离远(away可省略)mouse名词，意为“老鼠”，其复数为mice。baby名词，意为“婴儿”，其复数形式为babies，也可作形容词，意为“幼小的”。shout at.冲大声叫嚷(表示因生气等对某人吼叫)shout to.对大声喊叫(表示因距离远对某人大声喊话)1Lucy can speak two _(语言)2Tim has a big family.He has two _(