一般过去时太自主学习任务单.doc

Unit3 How was your school trip?SectionA-1 自主学习任务单【学习目标】1. 理解一般过去时态的定义或用法和标志词。2. 能运用一般过去时态（过去式）完成句子。 3. 能对一般过去时态的句子变为一般疑问句和否定句。【观看微课1，初步理解】1、 一般过去时态的定义或用法是表示_发生的动作或存在的状态。一般过去时态谓语动词的构成为动词的过去时形式简称_。一般过去时态的标志词通常有： _(昨天)， _(昨天晚上)，_(10年前)，_（上个周日）等表示过去的时间状语。 2、 规则动词的过去式变化规则 ：（1）一般情况直接加ed.如： talk_;(2)以不发音的e结尾的单词直接加d如： like_; (3) 以“辅音字母+y”结尾的动词，先把y变为_, 再加-ed,如：studystudied;(4)以重读闭音节结尾，而且词尾只有一个辅音字母时，先_这个辅音字母, 再加-ed如： stopstopped.3、熟记不规则动词的变化，完成下列表格。动词原形动词过去式am/isaredo/doesgoridetakeseeeathavebuygrowfeed【深入思考、探究】思考1： 一般过去时态的句子如何变为一般疑问句？仔细阅读，完成下面的表格一般现在时态变为一般疑问句及回答一般过去时态变为一般疑问句及回答He is a teacher. Is he a teacher? Yes, he is./No, he isnt. He was a teacher ._ he a teacher?Yes, he was. / No, he wasnt. They are very happy. Are they happy? They were very happy. _ they very happy?Yes, they_./No, they werent. He goes to school by bus. Does he go to school by bus? He went to school by bus last year. _he _to school by bus last year? Yes, he did. /No, he didnt. They take lots of photos.Do they take lots of photos?They took lots of photos last week. _they _lots of photos last week?Yes,they_. /No, they_. 得出结论：一般过去时态的句子变为疑问句的方法：(1)如果句中含有was/were直接_；(2)句首加上助动词_ ，动词过去式还原为_，其他不变句末加问号。 思考2： 一般过去时态的句子如何变为否定句？仔细对比阅读左右不同时态的句子，把过去时态的句子变为否定句。 1.He is ill. 1. He was ill. He isnt ill. He _ ill. 2. He rides a horse. 2. He rode a horse. He doesnt ride a horse. He _ _ a horse.3. Mary buys a book. 3. Mary bought a book last week. Mary doesnt buy a book. Mary _ _ a book. 4. She does his homework every day. 4. She did his homework last night. She doesnt do his homework every day. She _ _ his homework last night. 得出结论： 一般过去时态的句子变为否定句的方法：（1）如果句中含有was/ were,在was/were后加_, 缩写为： wasnt / werent ；(2) 加上助动词_ ，动词过去式还原为_，其他不变。思考3：一般现在时态当主语是单三时，动词必须要用动词的单三形式。你今天学习了一般过去时态后，一般过去时态中当主语是单数第三人称时动词的过去式有变化吗？ Unit3 How was your school trip?SectionA-1 当堂达标检测I: 用所给动词的适当形式填空。（温习提示：用横线标画出句中时态的标志词.）1.He _(ride) a horse on the farm last Sunday.2. We _(are) very busy yesterday. 3. He_(go ) to the movies last Sunday. 4. My mother _(buy) me a book yesterday. 5. We _(see) many cows last Saturday. 6. They _(talk) with the farm last Sunday.7. We _(do) our homework yesterday. 8. He _(take) some photos yesterday.9. The farmers _(grow) some strawberries on the farm last year. 10. _ they _(go) for a walk yesterday?11. She _ _(not buy) a pen yesterday. 12. _ he _ (do) his homework last night? 13. We _ _(not do ) our homework yesterday. II.把下列句子变为一般疑问句并做肯定和否定回答。 1. Mary was a student five years ago. 肯定回答： _, _. _ Mary a student five years ago? 否定回答： _, _. 2.She fed some chickens. 肯定回答： _, _. _ she _ any chickens? 否定回答： _, _.III. 把下列句子变为否定句。 1.Mary was ill yesterday. Mary _ ill yesterday. 2.We were late for the movie last night. We _ late for the movie last night. 3.They took a lot of photos last week. They _ _ a lot of photos last week. 4.He talked with a farmer last Saturday. He _ _ with a framer last Saturday. IV. 用所给单词的适当形式完成短文。（温馨提示：思考整篇短文用了什么时态？每个句子应用什么时态）Last Sunday Carol went to the farm . She did many things. She _(milk) a cow. She _(ride)a horse.S