仁爱科普版（2024）英语七年级上册Unit 4 Fun in the Sun语法专题讲解和专练（含答案）

仁爱科普英语七上Unit 4 语法专题讲解和专练 Unit 4 Fun in the Sun! 　　 语法专题精讲　　 　　语法讲解　　 人称代词(宾格) Personal pronouns (objective case) 1.同主格人称代词一样，宾格人称代词在句中用来指代人、动物或事物，如: (1) Му sister is very lovely. We all like her. (宾语) (2) They can read the news for you. (宾语) (3) The four students are new here. Please help them.(宾语) (4) I want a pen. Please pass it to me. (宾语) 2.宾格人称代词的句法功能 人称代词的宾格在句中用作及物动词或者介词的宾语: (1) I often see him at the party. (宾语) (2) Apples are good for health. We should eat them a lot. (宾语) (3) I can buy a book for you.(宾语) (4) I can buy you a book. (宾语) 　注意　 1.在口语中，人称代词主格作表语时，常常可以用宾格替换。 > It can't be he/him. 不可能是他。 > -Is this Mr. Green 这是格林先生吗 -Yes, it is he/him. 是的。 2.在口语中，当人称代词用于than, as之后或用于强调句中时，用主格(较正式)和宾格(较口语化)均可以。如: (1) He sings better than I/me. (2) You know more than she/her. (3) She is as tall as me (I am). 3.单独使用的人称代词通常用宾格，即使它充当的是主语也是如此。 > -I like English. 我喜欢英语。 -Me, too.(= I like English too.)我也是。 > -Who did it 这是谁干的 -Them.(= They did it) 他们(干的) 　　　语法专练　　　 1.( ) -Who isn't your sister and isn't your brother, but is still a child of your mother and father -Haha! It's _____. A. me B. you C. her D. him 2.( ) That's _____. That's the man I was talking about. A. me B. her C. him D. it 3.( ) My mother's birthday is coming. I will buy a gift for _____. A. she B. hers C. her D. him 4.( ) -Who is the lady in red over there -Mrs. Smith. She teaches _____ chemistry. A. we B. us C. our D. it 5.( ) -Why are you so excited -The scientist, Huang Xuhua, will come to our school. I can't wait to see _____. A. you B. me C. him D. them 现在进行时(The present continuous tense) 一、现在进行时的用法 1.现在进行时用来表示现在(说话的瞬间)正在发生或进行的动作。 > Look! She is reading under the tree.瞧!她正在树下看书。 2.用来表示现阶段正在进行或存在的状态。 > They are learning skating these days. 这些日子他们在学滑冰。 3.常用时间状语为now (现在)或thesedays/weeks/months/years (这些日子/这几周/这几个月/这几年)，也可以用“look"或“listen”等动词提示情境或时态。 > Look! They are skating over there. 看!他们在那边滑冰。 二、现在进行时谓语动词的构成 现在进行时由“be (am/ is/ are) +现在分词(doing)”构成。其中be为助动词，无实际意义，但有时态、人称和数的变化。其肯定形式、疑问形式如下表: 肯定形式: I am doing ... now. You are doing ... now. She/He/it is doing ... now. We/You/They are doing ... now. 否定形式: I am not doing ... now. You aren't doing ... now. She/He/it isn't doing ... now. We/You/They aren't doing ... now. 2.动词do疑问形式及简略答语如下表: -Am I doing ... -Yes, you are. / No, you aren't. -Are you doing ... -Yes, I am. / No, I am not. -Is he/she/it doing ... -Yes, he/she/it is. / No, he/she/it isn't. -Are we/you/they doing ... -Yes, you/we/ they are. / No, you/we/they aren't. 5.行为动词的现在分词的变化 ... ...