《新概念2知识点总结材料》由会员分享，可在线阅读，更多相关《新概念2知识点总结材料（43页珍藏版）》请在金锄头文库上搜索。
1、word新概念2知识点总结第一局部、时态总结一、一般过去时；一、定义。1. 表示过去的动作或状态，常和明确的过去时间状语连用，如：yesterday, last week, three days ago, in 1998,just now等，或与由when引导的从句连用。2. 也可以表示过去某一段时间内经常或反复出现的动作。句子中常带有every day, often, usually, always, sometimes等时间状语。例：When I worked in the pany, I got up early every morning. 在那家公司上班时，我每天早晨都起得很早。In
2、 the past few years she usually went touring during her summer holidays.在过去的几年里，每逢暑假她总是出去旅游。二、一般过去时态句子结构1 Be 动词的一般过去时态在没有实义动词的句子中使用be动词， am is 的过去式为was; are的过去式为were.如：I was late yesterday.We werent late yesterday. She wasnt a teacher three years ago.Were you ill yesterday? Were they once your class
3、mates？ -Yes, I was. -No, I wasnt.Who were your best friends in your primary school?2. 实义动词的一般过去时态肯定句要使用动词的过去式，否认句和疑问句要使用助动词do和 does 的过去式 did. 如：I went home at nine oclock yesterday. I didnt go home yesterday. He didnt tell me about you. Did you go home yesterday?-Yes, I did. -No, I didnt. When did y
4、ou finish your homework last night/the day before yesterday? 3. 助动词和情态动词过去式如下：shallshould将要用于第一人称单数 willwould将要用于所有人称can could能，会 maymight可以 mustmust 必须 have tohad to不得不助动词和情态动词的过去时态要使用他们的过去式，后面的动词还使用原形。如： I had to do my homework yesterday. (昨天我不得不做作业。) 三、一般过去时态动词变化形式一般过去时态由动词的过去式表示。大多数动词的过去式是在动词原形后
5、加上ed构成。这类动词称为规如此动词。1 一般情况下在词尾直接加ed。 如：playplayed workworked2 以e结尾的动词只加d. 如：like- liked loveloved 3 以辅音字母+Y结尾的动词，变Y为I，再加ed. 如：studystudied carrycarried4 以重读闭音节结尾的动词，如果末尾只有一个辅音字母，要双写最后这个辅音字母，再加ed. 如：stopstopped 5 不以ed 结尾的过去式，称为不规如此动词,如：write写 -wrote go-went do-did have-had see-saw take-took make-made
6、e-came buy-bought技巧：巧记一般过去时：【一巧】时间状语即标志词巧。一般过去时表示过去发生的动作或存在的状态，恰巧与表示过去的一些时间状语连用。【二巧】形式巧。它与一般现在时一样，形式多样：当主语是第一人称单数或第三人称单数时，谓语动词用was；主语是第二人称或其他人称复数时，谓语动词用were。 例如： I was in the classroom yesterday morning 昨天早上我在教室里。 He was at school last Tuesday 上周二他在学校。 They were over there a moment ago 刚刚他们在那边。【三巧】否
7、认句结构巧。与动词be的一般现在时一样，它在动词后面加not即可变成否认句，并且was, were与not可以缩写成wasnt, werent。即： 主语 wasnt werent 表语 其他。例如： I was not (wasnt) here yesterday 昨天我不在这儿。 My parents were not (werent) at home last Sunday 上周日我父母不在家。【四巧】 疑问句式巧。把was, were提到句首，句末用问号即可变为一般疑问句。即：Was(Were) 主语 表语 其他？这恰巧与动词be的一般现在时的疑问句式相似。例如：Were you at
8、 home the day before yesterday 前天你在家吗？ Was she late this morning今天早上她迟到了吗？更巧的是疑问句的答语也相似，肯定回答用“Yes, 主语waswere； 否认回答用“No,主语wasntwerent。 例如：Were Wei Hua and Han Mei here just now 刚刚魏华和韩梅在这儿吗？Yes, they were (No, they werent) 是的，她们在。不，她们不在。练习一、用be动词的适当形式填空1I _ an English teacher now.2She _ happy yesterda
9、y.3They _ glad to see each other last month.4Helen and Nancy _ good friends.5The little dog _ two years old this year.6Look, there _ lots of grapes here.7Today _ the second of June. Yesterday _ the first of June. It _ Childrens Day. 二、用动词的适当形式填空1. I _ (watch) a cartoon on Saturday.2. Her father _ (r
10、ead) a newspaper last night.3. We _ to zoo yesterday, we _ to the park. (go)4. _ you _ (visit) your relatives last Spring Festival?5. _ he _ (fly) a kite on Sunday? Yes, he _.6.Jim _ (pull) up carrots last National Day holiday.7. I _ (sweep) the floor yesterday.8. What _ she _ (find) in the garden l
11、ast morning? She _ (find) a beautiful butterfly.1. He _ (live) in Wuxi two years ago.2. The cat _ (eat) a bird last night.3. We _ (have) a party last Halloween.4. Nancy _ (pick) up oranges on the farm last week.5. I _ (make) a model ship with Mike yesterday.6. They _ (play) chess in the classroom la
12、st PE lesson.7. My mother _ (cook) a nice food last Spring Festival.8. The girls _ (sing) and _ (dance) at the party.9. It _ (be) Bens birthday last Friday.10. We all _ (have) a good time last night.11. He _ (jump) high on last Sports Day. 二、现在完成时一句型：Eg: I have finished my homework. He hasnt watered
13、 the flowers. Have they watched the film? -Yes, they have. -No, they havent.二用法1、现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果Eg. I have spent all of my money (so far).(含义是:现在我没有钱花了.) Jim has (just/already) e. (含义：吉姆现在在这儿)My father has gone to work.(含义是:我爸爸现在不在这儿) 2、现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作用行为动词表示或状态be动词表示常与
14、for+时间段,since+时间点或过去时的句子连用. for+时段since+过去一个时间点译为：自从以来since+时段+agosince+从句过去时It is+时段+since+从句过去时E.g. Mary has been ill for three days. I have lived here since 1998. 三、现在完成时的标志 现在完成时的含义之一是过去完成的动作对现在仍有影响,用以下四大标志词可以表达这种含义: * 以already, just和yet为标志 He has already got her help.他已得到她的帮助。He has just seen the film.他刚刚看过这场电影。He hasnt e back yet.他还没有回来。* 以ever和never为标志This is the best fil
