Unit 3 第3课时 Section A(Grammar Focus～4c)——单元语法精讲精练（作业课件）-【四清导航】2023-2024学年八年级英语下册（人教版 河南专用）

第三课时　Section A(Grammar Focus4c) ——单元语法精讲精练 英语 八年级下册 人教版 四清导航 情态动词could的用法 ►表示过去的能力和可能性。 could为can的过去式，表示过去的能力和可能性时，其肯定回答和否定回答都用could。 —Could you play basketball when you were 8 years old？你八岁时会打篮球吗？ —Yes，I could./No，I couldn't.是的，我会。/不，我不会。 ►could可用于表示请求的问句中，其表现形式有两种。 1．Could you (please)...？表示请求对方做某事。 Could you please help me clean the room？你能帮我打扫房间吗？ 2 2．Could I．..？表示请求对方允许自己做某事。 Could I use your bike？我可以用你的自行车吗？ 【注意】表示请求时，其肯定回答和否定回答都不用could，肯定回答常用“Certainly./Of course./Yes，sure./It's OK./All right.”等；否定回答常用“Sorry，but.../Of course not.”等。 —Could you please do the dishes？你可以洗盘子吗？ —Sorry，I'm afraid not.I have to do my homework.对不起，恐怕不行。我得做家庭作业。 —Could I use your computer？我可以用你的电脑吗？ —Certainly.当然可以。 一、根据语境完成下列各题。 1．—Could Mike and I go climbing this weekend，Dad? — ____，_____．But be careful. 2．—Mom，could I go out tonight? — __________，____ ______．You will have an exam tomorrow. 3．—Could you come to my house after school? — _________，__ _____．I must practice the piano tonight. 4．—Could I have one of these apples，Dad? — ___ ______/ ___ ________．But you must wash your hands before you eat it. 语法精练 Yes sure Sorry / No you can't Sorry/No I can't Of course No problem 5 二、根据汉语意思完成下列句子。 5．我刚刚割伤了我的手指。请你给它打上绷带好吗？ I cut my finger just now. ______ ____ ______ ____ a bandage on it? 6．——当你四岁时，你会唱英语歌吗？ ——不，我不会。 — ______ ____ _____ English songs when you were four years old? — ____，__ ________． 7．——妈妈，今晚我能和朋友们一起去看电影吗？ ——好的，可以。 —Mom，_____ __ ___ to the movies with my friends tonight? — ____，_____． Could you please put Could you sing No I couldn't could I go Yes sure 8．——你能告诉我一个吃饭的好地方吗？ ——当然可以。附近有一个。 — ______ ____ tell me a good place to eat? — ___ _______．There is one nearby. 9．——你能帮我搬一下那个重箱子吗？ ——没问题。我足够强壮。 —Could you please carry that heavy box for me? — ____ ________．I'm strong enough. Could you Of course No problem 7 一、用方框中所给单词的适当形式填空。 1．Mike _____ to do the dishes because he thinks it's boring. 2．David _________ my new CD yesterday and he didn't give it back to me. 3．Many parents think it's necessary for children to do ______． 4．She picked up the sock with two _______，and took it upstairs. 5．Lisa didn't have enough money to buy that skirt，so I _____ her some. hates borrowed chores fingers lent 9 二、根据汉语意思完成下列句子。 6．你在写邮件的时候我会完成我的家庭作业。 I will finish my homework __________ ____ ______ an e­mail. 7．我妈妈让我晚上八点之后不要与朋友们闲逛。 My mother asked me not to _____ ____ _____ my friends after 8：00 p.m. 8．你能带一顶帐篷来吗，刘畅？ Could you ______ __ ____，Liu Chang? 9．谢谢你把这本书递给我。 Thanks for ________ ___ ____ _____． while/when you write hang out with bring a tent passing me the book 10 三、阅读理解。 Do you do chores？Can you do chores？You may answer，“Yes，of course！Who doesn't do chores？” 10．____ A study shows that one in three university students in the US can't even boil an egg.And many students struggle (挣扎) with very basic chores like doing the dishes or folding the clothes.11.____ They love their children so much that they do anything for them.They try to keep their children away from every difficulty.Some parents don't let their children do chores because they think children have only one thing to do：study，study and study hard all the time.12.____ They won't keep their rooms clean and tidy，either.Learning to do chores is part of growing up.13.____ If parents want their children to be ready then，they'd better start working on it now. D A B E 11 Other parents don't let their children do chores because they don't think their children can do them well，especially at the beginning.14.____ Parents should be more patient (有耐心的)，and give their children more chances to try，to practice，and to make mistakes.In fact，in many children's eyes，doing chores is a lot of fun. 根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使文章意思通顺、内容完整。 A．This is partly their parents' fault (过错)． B．If their children get used to it，they will never learn to do chores. C．However，no one is excellent at the beginning of doing something. D．But the truth (事实) is that many students don't do any chores，and they can't. E．Sooner or later children will have to depend on themselves and take care of others. C 12 $$