小学六年级下册英语课件 6Aunit4_then_and_now_过去和现在

主语是第三人称单数
（否定句） He does not go to work by bus every day. She does not watch TV every night. Li Ming does not play basketball on weekends. It does not snow every winter.
主语＋does ＋ not+动词原形 +其他
He did not go to work by bus yesterday. She did not watch TV last night. Li Ming did not play basketball 3 days ago. It did not snow last winter.
一般时态的句型转换:
肯定句
否定句
一般疑问句 及回答
动词be
一般现在时 一般过去时
(am, is, are) He is a doctor. He isn't a doctor. Is he a doctor? Yes, he is. /No, he isn't.
(was, were）
He was a doctor.
标志词： ① yesterday及相关短语 昨天上午/下午/晚上 yesterday morning/afternoon/evening ② “last + 时间状语”构成的短语 昨晚/上个月/去年春天/去年 last night/month/spring/year ③ “一段时间+ago”组成的短语 three days ago/ four years ago 三天/四年以前 ④ “介词+ 过去时间名词”组成的短语 在1999年 in 1999 在2010年12月25号上午 on the morning of December 25th, 2010
一般过去时中，实义动词的用法：
主语不论人称，谓语动词一律用过去式； 否定句：在过去式前 加didn’t, 过去式变原形； 一般疑问句：从过去式中提出did至句首, 过去式变原形；
变化规则 一般在词尾加- ed 以e结尾的，只加--d
例词 play→played like →liked love →loved
主语＋did ＋ not + 动词原形 +其他
将下列句子改成否定句、一般疑问句并回答： I don’t speak English. 1. I speak English. Do you speak English? Yes, I do/ No ,I don’t. 2.We like maths. We don’t like maths. Do you like maths? Yes, we do/ No , we don’t. 3.They went swimming last Sunday. They didn’t go swimming last Sunday. Did they go swimming last Sunday? Yes ,they did. 4.He got up very early this morning. He didn’t get up very early this morning. Did he get up very early this morning? No, he didn’t. 5.The panda eats bamboo. The panda doesn’t eat bamboo. Does the panda eat bamboo? Yes, it does/ No, it doesn’t.
He wasn't a doctor.
Was he a doctor?
Yes, he was. /No, he wasn't.
情态动词
一般现在时 (can) He can play soccer. 一般过去时 (could） He could play soccer. He couldn't play soccer.
(过去式)
He worked here.
He doesn’t work here.
Does he work here?
He didn't work here. Did he work here?
Yes, he did. / No, he didn't.
Yes, he does. / No, he doesn't.
主语＋动词过去式＋其他．
主语是第一，二人称及第三人称复数
（否定句）
I do not go to work by bus every day. You do not watch TV every night. We do not play basketball on weekends. They do not have lessons every morning.
stil l
us
use the telephone to call people
spell
anywhere
call people anywher
很久以前
long long ago
then and now
make friends
make a sentence
write letters to…
用 1.现在的状态 法 2.经常的或习惯性的动作
例 I get up at 6:00 every day. I got up at 6:30 yesterday. 句 He goes to school on foot. He went to school by bike last year. His brother was ill yesterday. His brother is ill now.
各时态常用的信息词
现在进行时： now , Look! Listen! at this time
Where is …? Don’t talk! It’s 8:00am.
一般现在时: always , usually, often, sometimes ,seldom,
write e-mails
all over the world
do some shopping buy things from shop
look out of…
go on doing sth.
wait for
on the Internet
get angry
一般时态复习:
The Simple Present Tense 一般现在时 The Simple Past Tense 一般过去时
1）表示过去某个时间发生的动作或存在的状态。 eg. I got up at 6:30 yesterday. （动作） I was at home last night. （状态） 2）表示过去经常性或习惯性发生的动作。 eg. He usually got up at 6:30 last year.
一般现在时
1）表示事物或人物的特征或状态。 eg. He is a student.
2）表示经常性或习惯性的动作。 eg. He usually gets up at 6:30 in the morning. 标志词: often, usually, on Sunday/ weekends...
一般过去时
一般现在时中，实义动词的用法：
主语是第一、二人称或第三人称复数时，谓语动词用原形； 否定句：在谓语动词前 don’t； 一般疑问句：从原形中提出do至句首；
主语是第三人称单数时，谓语动词用第三人称单数形式 (+s/es)； 否定句：在三单前加doesn’t，三单变原形； 一般疑问句：从三单中提出does至句首，三单变原形。 动词三单的变化： 1、一般动词后加s， 如： plays, works, makes 2、以 s, x, ch, sh, (o )结尾，后加es. 如：watches, goes 3、辅音字母+y结尾的单词,去y,加ies, 如：worri主语是第一，二人称及第三人称复数） 一般现在时用来表示习惯性， 经常性发生的动作．eg: I go to work by bus every day. You watch TV every night. 一般过去时用来表示在过去时间 里发生的动作．eg: I went to work by bus yesterday. You watched TV last night.
主语＋do ＋ not + 动词原 形 +其他
I did not go to work by bus yesterday. You did not watch TV last night. We did not play basketball last weekend. They did not have lessons two days ago. 主语＋did + not+动词原形 ＋其他
Unit4 Then and now
Word s:
telephone
office
in the office
mobile phone
radio listen to the radio
new paper s read newspapers for news
看报纸获得新闻
e-book
watch TV
He can't play soccer.
Can he play soccer?
Could he play soccer? Yes, he could. /No, he could't.
Yes, he can. /No, he can't.
行为动词
一般现在时 一般过去时
(原形/三单) He works here.
现在进行时： 现在正在进行的动作
(The Present Continuous Tense)
时 态
一般现在时： 经常或习惯性的动 (The Simple 作或存在的状态。
Present Tense)
一般过去时： 过去某个时间或时间段发 (The Simple 生的动作或存在的状态。 Past Tense)
含有ＢＥ动词的句型
一般现在时表示某人某 一般过去时表示过去时间 物现在的状态，性质 内某人某物存在的状态， 等．eg: 性质等．eg: （用 last year 改写） I am a teacher now. I was a teacher last year . She is a singer. She was a singer last year . They are happy. They were happy last year .
以辅音字母+y 结尾的， study →studied 变y为i ,再加- ed carry →carried 以一个辅音字母结尾的 重读闭音节，先双写这 个辅音字母，再加-ed stop →stopped plan →planned
The Simple Present Tense 一般现在时
The Simple Past Tense 一般过去时 1.过去某个时间存在的状态 2.过去经常或反复发生的动作 3.过去某个时间发生的动作
We play basketball on weekends. We played basketball last They have lessons every weekend.
morning.
主语＋动词原形＋其他．
They had lessons two days ago.
主语＋动词过去式＋其他．
主语是第三人称单数
（肯定句）
He goes to work by bus every day. She watches TV every night. Li Ming plays basketball on weekends. It snows every winter.
主语＋动词三单＋其他．
He went to work by bus yesterday. She watched TV last night. Li Ming played basketball three days ago. It snowed last winter.