Unit 2
     Let’s talk about the past .
                
1.一般现在时表示_______________________________________________ ,  
    谓语______________________ ,   助动词___________________ ,
   一般疑问句________________ , 否定句____________________,
   缩写成________   ____________ .

                 经常发生、反复发生，习惯爱好、自然现象等，                                                三单+s,其他用原形                                       do / does
          提前 do / does                             在 do / does 后＋not   
    don’t      /  doesn’t
丰收的果实
                                            
1.一般过去时表示______________________________________ ,
   谓语_____________________  ___ ,  助动词__________
   一般疑问句________________ , 否定句____________________,
   缩写成_____________ .

                         发生在过去的事情，           
  动词过去式                                                        did
             提前 did                                        在 did 后＋not   
     didn’t
What are they ?
They are dinosaurs .
Dinosaurs lived millions of years ago .
                 millions of … : 几百万 …
                 hundred / thousand
Some dinosaurs walked slowly  .
           walk --- walked
Some dinosaurs ran fast .
           run --- ran
Some dinosaurs ate grass or other plants .
                   eat --- ate
Some dinosaurs ate meat .
        


Time flies , a week passed ，
        时光飞逝 ，一星期过去了 .
 what did we learn last week ?
                       学习
learn about : 了解
tell sb about sth: 告诉某人关于某事
talk about ：谈论
哺 乳 动 物
蓝  田  人
北 京 人
氏 族 部 落
奴隶社会
封 建 社 会
现代社会
       北 京 人
   Peking  man
He lived about   four or five hundred thousand years ago .
    衣
食
住
行
记
How did Peking man make clothes ?
He made clothes from animal furs .
/ meid /
What did Peking man eat ?
He ate plants and meat .
How did Peking man cook ?
He made fire to cook .
Where did Peking man live ?
He lived in a cave .
What did Peking man do ?
He used stones
 to kill animals for food .
Where did Peking man draw pictures?
He drew pictures on the wall .
/ dru: /

          收视率最高的电视节目？

rainy
sunny
cloudy
 snowy

windy
 A: Hi Mike ，what's the weather like today?
 B: It’s …  .
Ask and answer in pairs
Summary :
1. 询问天气：
What’s the weather like
It’s …  .
( warm , hot ,cool , cold  )
( windy , cloudy ,rainy , snowy，sunny )
丰收的果实
这些知识你掌握了吗？

How many festivals do you know？

Teachers’ Day
Children’s Day
Christmas
New Year
Last Saturday was Tree Planting Day. It was sunny.



Last Saturday was Tree Planting Day.
It was sunny.
Did you go to plant trees yesterday?
Yes, I did.





















































































































































A: Did you go to plant trees yesterday?
B: Yes, I did. / No , I didn’t .


Last Saturday --- Tree Planting Day
Sunny
1 go to plant trees
2 dig holes
3 put the trees into the holels
4 water the trees
tired累--- happy
Trees , important to people
Make the air clean and good
Make our country greener
Last Saturday was Tree Panting Day.
It was sunny .
We went to plant trees near the river .
Gao Wei dug holes in the ground .
Jim put the trees into the holes .
Lucy went to get the water from the river and watered  the trees .
We were very tired but very happy.
Trees are important to people.
They can make the air clean and good .
We want to make our country greener .
     Last Saturday was Tree Panting Day.  It was sunny .
     We went to plant trees near the river .Gao Wei dug holes in the ground .
Jim put the trees into the holes . Lucy went to get the water from the river and watered  the trees .
     We were very tired but very happy on that day .
     Trees are important to people. They can make the air clean and good .
We want to make our country greener .
We planted 100 trees together .