现在进行时（讲义）教科版（广州）英语四年级下册

2023-2024学年四升五英语第一讲：现在进行时基础知识专题专项提升（教科版) 一、现在进行时的基础知识梳理 1:现在进行时的定义 我会观察： My mother is cooking some nice food now. Tom is reading books these days. 我会发现： 现在进行时表示 的动作，也可表示 正在进行的动作。 小练笔： 1.I am breakfast at 7:15. A.eating B.eat C.eats 2.He is homework. A.doing B.does C.do 3.---Are you washing clothes A.Yes,you are B.Yes,I am C.No,I am 4.看图判断正误，用√或×表示。 (1) (2) (3) (1)The duck is swimming. (2)The mouse is playing football.( (3)The girl is dancing. 5.用所给的动词的正确形式填空。 Look！They (have)an English lesson. 2.现在进行时的时间状语 我会观察： Look!The boy students are playing football. Listen!The birds are singing in the tree. Lily is drawing a picture now. It's six o'clock.We are having dinner. 我会发现： 现在进行时的时间状语有：_ 等。 3.现在分词(ing)的变化规则 我会观察： Look!The boy students are playing basketball. It's six o'clock.We are having dinner. Lily is shopping with her mother now. 我会发现： 现在分词的变化规则： 一般情况下，直接再ing:play- 以不发音的e结尾，去e再加ing:have- 重读闭音节，辅元辅结尾，双写尾字母再加ing:shop- 小练笔： 1. _Xiaoling is running. 2.今天李老师穿着一件红色的连衣裙。 Miss Li a red dress today. 3.You can't see her now because she (have)a class in the classroom. 4.写出下列单词的ing形式。 play- run- make- fly- have- draw- skip- collect- dance--------- enjoy-------- sing-______---sit--- write- read- skate- get- 二、现在进行时的用法 1.现在进行时的结构 我会观察： Kate is running. Look!That rabbit is jumping. 我会发现： 现在进行时的结构是：主语+ +其它。 小练笔： 1.She dancing now. A.is B.am C.are 2.That boy is water A.drink B.drinks C.drinking 3.What are you now? A.do B.does C.doing 4.连词成句 (1)she,the window,opening,now,is. (2)is,Tom,the door,cleaning (3)they,the tree,are,singing,now,under. 5.用""作主语改写句子。 You are doing your homework. 6.将下列句子改成现在进行时。 (1)We have an English lesson. (2)She works in a hospital. (3)They watch TV in the evening. 2.现在进行时的句式变化 现在进行时的句式变化包括：肯定句变否定句，肯定句变一般疑问句。 我会观察： 肯定句：She is having lunch. 否定句：She is not having lunch. 一般疑问句：Is she having lunch? 肯定回答：Yes,she is. 否定回答：No,she isn't. 我会发现： 变成否定句时，要在 变成一般疑问句时，要把 肯定回答是 否定回答是 注意：肯定句主语是I时，一般疑问句的主语要变成you,原句中的my也要改成your。 如：I am doing my homework.(变一般疑问句) Are you doing