1、代词及be动词
主格 I we you you she/he/it they
宾格 me us you you her/him/it them
代词所有格 my our your your her/his/its their
名词性代词 mine ours yours yours hers/his/its theirs
be动词现在时 Am are are are is are
be动词过去时 was were were were was were
2、名词的复数
规则变化的名词复数形式
规则1 一般情况+s e.g. shell→shells toy→toys
规则2 以s, x, ch, sh结尾+es e.g. fox→foxes church→churches
规则3 以o结尾+s或+es e.g. radio→radios potato→potatoes
规则4 以f, fe结尾的,变f, fe为ves e.g. life→lives half→halves
规则5 以辅音字母+y结尾, 变y为i+es e.g. sky→skies study→studies
3、动词的第三人称单数形式
规则1 一般情况+s e.g. like-likes, look-looks
规则2 以s, x, ch, sh和o结尾+es e.g. do-does, catch-catches
规则3 以辅音字母+y结尾, 变y为i+es e.g. carry-carries, fly-flies
4、动词现在分词
规则1 一般动词加-ing e.g. look-looking, read-reading, play-playing
规则2 以不发音的字母结尾的单词去e加-ing e.g. make-making, take-taking, arrive-arriving
规则3 重读闭音节词结尾, 即单词中只有一个元音字母,其后紧跟一个辅音字母的词,双写辅音字母再加-ing e. g. run-running, sit-sitting, get-getting, swim-swimming, stop-stopping
5、动词过去式
规则动词变化
规则1 一般动词加-ed e.g. look-looked, watch-watched, play-played.
规则2 以e结尾的加-d e.g. make-maked, arrive-arrived.
规则3 以辅音字母y结尾的变y为i加-ed cry-cried, carry-carried.
规则4 重读闭音节词结尾, 即单词中只有一个元音字母,其后紧跟一个辅音字母的词,双写辅音字母再加-ed stop-stopped
过去式的读音
在清辅音后面(除外)读/t/ e.g. walked, jumped
在浊辅音和元音后读/d/ e.g. washed, watched
在/t/,/d/后读/id/ e.g. waited, hated
一般现在时
概念:经常、反复发生的动作或行为及现在的某种状况。
时间状语:always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays, etc.
基本结构:①be动词;②行为动词
否定形式:①am/is/are+not; ②此时态的谓语动词若为行为动词,则在其前加don't,如主语为第三人称单数,则用doesn't,同时还原行为动词。
一般疑问句:①把be动词放于句首;②用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词。
现在进行时
概念:表示现阶段或说话时正在进行的动作及行为。
时间状语:now, at this time, these days, etc.
基本结构:am/is/are+doing
否定形式:am/is/are+not+doing.
一般疑问句:把be动词放于句首。
(1)定冠词的用法表示上文中所提到过的人或物。
eg:I have two children, a boy and a girl. The boy’s name is Mark. The girl’s name is Penny.
(2)特指某(些)人或物。
eg:The girl in a red dress comes from America.
(3)指说话人和听话人都熟悉的人或物。
eg: My shoes are under the bed.
Please open the window.
(4)用在形容最高级和部分比较级前,及形容词only, very, same等前面:
Eg: That's the very thing I've been looking for. 那正是我要找的东西。
Tom is the taller of the two boys.
He is the only person who didn't pass the exam.
他是唯一一个没通过考试的人。
(5)用在序数词前。
eg Monday is the second day of a week.
Where do you live? I live on the second floor.