在没有实义动词的句子中使用be动词
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。 构成:肯定句:主语+was (were) +宾语 如:I was late yesterday. (昨天我迟到了。) 否定句:主语+was (were) +not+宾语 如:We weren't late yesterday. (我们昨天没迟到) 疑问句:Was (Were) +主语+宾语 如: Were you ill yesterday? (你昨天病了吗?) 肯定回答: Yes, I was. (是的,我病了。) 否定句: No, I wasn't. (不,我没病。) 特殊疑问句: 特殊疑问词+was (were) +主语+宾语 如:When were you born? 你是什么时候出生的? (2)实义动词的一般过去时态 肯定句要使用动词的过去式,否定句和疑问句要使用助动词 do 和 does 的过去式 did。
肯定句为:主语+动词过去式+宾语
如: I went home at nine o'clock yesterday。(我昨天九点钟回的家。) 否定句:主语+didn't +动词原形+宾语 如:I didn't go home yesterday. (我昨天没回家。) 疑问句:Did +主语+动词原形+宾语 如: Did you go home yesterday? (你昨天回家了吗?)
肯定回答: Yes, I did. (是的,我回了。) 否定回答:No, I didn't. (不,我没回家。) (3)助动词和情态动词过去式如下: shall― should(将要)用于第一人称单数 will― would(将要)用于所有人称 can ?could(能,会) may― might(可以) must― must (必须) have to― had 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。) (4)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加上 ed 构成。这 类动词称为规则动词。
1) 一般情况下在词尾直接加 ed。 如:play― played work― worked 2) 以 e 结尾的动词只加 d. 如:like--- liked love― loved 3) 以辅音字母+Y 结尾的动词,变 Y 为 I,再加 ed. 如:study― studied carry― carried 4) 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:stop― stopped (5)--ed 的读音规则如下: 1) 在清辅音后面读[t]。 2) 在浊辅音或元音后读[d]。 3) 在[t] 和[d] 后读[id]。 (6)不以 ed 结尾的过去式,称为不规则动词。
一般过去时态的“三变”技巧
一变:肯定句变为否定句
【技巧 1】当句中含有情态动词或助动词 could,would,should 等时,可直接在其后面加 not 构成否定句。例如:
I could get you a concert ticket. → I could not / couldn't get you a concert ticket。 【技巧 2】当句中含有系动词 was,were 时,可直接在其后加 not 构成否定句。例如: I was on the Internet when you called me. → I was not / wasn't on the Internet when you called me。 【技巧 3】当句中谓语是除情态动词、助动词、系动词 was, were 以外的动词时,在该动词之 前
加 did not / didn't,动词还原,构成否定句。例如: The famous singer sang some Chinese songs. → The famous singer did not / didn't sing any Chinese songs。
二变:陈述句变为一般疑问句
【技巧 1】移动词语的位置。将 was,were, could,would,should 等移到句首。例如: He could pack his things himself. → Could he pack his things himself? 【技巧 2】添加助动词 did。谓语是除情态动词、助动词、系动词 was, were 以外的动词时,在 主语之前加 did,动词还原。例如: Mr Li looked very old. → Did Mr Li look very old?
三变:陈述句变为特殊疑问句
【技巧 1】确定疑问词:人 who / whom,物 what,地点 where,时间 when / what time,原因 why,频率 how often,长度 how long,距离 how far 等等。例如: They gave the concert last night. → When did they give the concert? 【技巧 2】辨认结构形式:疑问词+情态动词/助动词/ was / were / did +主语+...? 例如:
The accident happened near the station. → Where did the accident happen? 2、关于名词所有格:(仅限于小学阶段 's 所有格的用法) (1)表示有生命的东西的名词末尾加's。例如: Jim's bed 吉米的床 the man's wife 那个男人的妻子 children's toys 孩子们的玩具 the fox's tail 狐狸的尾巴 (2)以-es 或-s 结尾的名词末尾加"'s"。例如: the students' books 学生们的书 Teachers' Day 教师节 my boss' office 我老板的办公室 a girls' dormitory 女生宿舍 (3)表示两者共同拥有的人或物(共有)时,只需要后一个名词加's(或')即可。如果表示两者各自 的所属关系(各自所有),则每个名词词尾都加上's(或')。例如:
Joan and Jane's room(房间属二人共同所有) Joan's and Jane's room(指 Joan 和 Jane 各自的房间) (4)'s 所有格所修饰的词的省略现象 1)表示诊所、店铺或某人的家等地点名词,其名词所有格后的被修饰语常常省略。例如:
上一篇上一页 1234 下一页下一篇
上 5 篇:
• Lesson 1 May I use the telephone? 教案(一) • Lesson 1 May I use the telephone? 教案(二) • Lesson 2 May I speak to Li Shan, please?教... • Lesson 2 May I speak to Li Shan, please?教... • Lesson 4 Where are they?教案(一)
下 5 篇:
• 小学英语六年级下册教案之 Let’s talk. • 教案:六年级下册 Unit 1 形容词比较级 • 六年级英语下册第三单元复习课教案 • 小学英语六年级总复习资料 单词归类 • 小学英语 国际音标总复习