易忽视动词用原形形式
例:1 He will is (be) at school next Monday.
2 He is going to does (do) his homework after school.
答案:1 be 2 do
解析:第一题有的同学一看he做主语就用了is,忽视了will后应加动词原形。我们在写句子时,很容易把动词丢掉,“英语句子里,动词不能少”的规律必须要牢记。第二题中to后加动词原形,而不是用单三人称。
时态易弄混
例: He taughts (teach) me English last year.
答案: taught
解析:行为动词的过去式无人称和数的变化。即使主语是单三人称,也和其它人称所用动词的形式一样。
例: 我看过这部电影
I saw(see) the film.
答案: I have seen (see) the film.
解析:"我看过这部电影"说明我了解这部电影的内容,强调现在的情况,应用现在完成时;
一般过去时态的句子只是说明我看了这场电影,与现在无关。
句式变换
例: 1 We didn't went (not go) out last Friday.
2 Did you had (have) a good time yesterday?
答案: 1 didn't go 2 Did have
解析:请记住口诀"见助动, 用原形。"
动词变成过去式
例: 1 They stoped (stop) talking just now.
2 They plaied (play) football yesterday.
答案: 1 stopped 2 played
解析:我们可以记住下面的口诀:"动词变成过去式,双写规律要牢记;y前若是辅音字,y变i加-ed;y前若是元音字,只须直接加-ed."
现在进行时态的选择疑问句中易忽视or后用现在分词形式
例:孩子们在跑还是在跳?
Are the children running or jump?
答案:Are the children running or jumping?
解析: or连接的是两个并列成分,动词形式须一致。
对动词或动词词组提问时丢掉doing
例:1 、The students are singing in the room.(对划线部分提问)
What are the students in the room?
答案:What are the students doing in the room?
解析:现在进行时态中对动作提问可记住此句式“What +be +主语+doing+其它?”
或简写为“What……doing……”?句式。
丢掉be动词或忘记把动词变成现在分词
例:1、 Look,two children flying.(fly) a kite in the park.
2 、Li Mingisn’t read ( not read) a book in bed now.
答案:1 are flying 2 isn’t reading
解析:现在进行时肯定句的结构规律为: “be+现在分词,缺一不可”。这一点必须牢记。
动词变现在分词
例:1、They are swiming.(swim)
2 、Jenny is plaiing(play)football.
答案:1.swimming 2 .playing
解析:动词变现在分词可有如下口诀:“一添一去y不变”。 “一添”指双写规则;“一去”指去掉不发音字母e规则;“y不变”指要与名词变复数区分开。
对主语的数判断
例: Li Ming with me are (be) in Beijing.
答案: is
解析:表面一看是“我和李明两个人在北京”,但with在此做伴随状语,不能做主语,故用is.
另外,宾语从句中,从句部分若是表示客观真理,不管主句是何时态,从句都要用一般现在时在时间和条件状语从句中,主句表将来,从句要用一般现在时。
对do的理解
例:We don’t (not do) our homework in the afternoon.
答案:don’t do
解析:do是一个比较难理解的词,它有三个含义: a)是所有行为动词的总称b)是助动词,无实义c)是一个具体的行为动词“做,干”。此句中给出的do指“做,干”,not指把此句变为否定句,故须在do前加助动词don’t。
单三人称形式
例:1 He plaies (play) football very well.
2 Danny gos (go) to school at 7:10.
答案:1 plays 2 goes
解析:1以辅音字母加y结尾的动词变单三人称形式才能把y换成i再加es;2与名词变复数不同,变单三人称形式以o结尾的词要加es.