（广东版）开心英语课件五年级上册 unit10
Unit10 I planted trees
教学目标：
重点掌握动词的过去式，
以及其在句子中的具体运用。

例如：What did you do yesterday?
          I planted  trees yesterday
          What did Mary do yesterday?
          She watched TV yesterday.
plant-
watch-
wash-
cook-
planted
watched
listen-
help-
Paint-
call-
washed
cooked
listened
helped
painted
 called
动词过去式有几种变化:
1、在动词后面直接加ed.
plant--planted
help--helped
2、以字母y结尾，先将y变成i再加ed.
carry—carried    study--studied
am/ is—was      are—were
do/does—did     read--read
3、不规则变化：
What did you do yesterday?
I planted  trees yesterday.
What did Mary do yesterday?
She watched TV yesterday.
I planted  tree yesterday.
She watched  TV yesterday.
Did you plant  trees yesterday?
Yes, I did.
No, I didn’t.
Did she watch TV yesterday?
Yes, she did.
No, she didn’t.
用所给单词的适当形式填空：
1. What      you           (do) now?
I                        (clean)
my room.
   
2.What        you       (do) every
   afternoon? 
I          ( wash) my shoes.
are
doing
am
cleaning
do
do
wash
3.What          you         (do)
   yesterday morning?      
did
do
I               (watch) TV yesterday
  morning. 
watched
         Mary          (cook) some
   tofu everyday?
Does
Cook
Yes, she         .
( No, she           .)
      they           (listen) to music
  the day before yesterday?
Yes,                     .
( No,                     .)
Did
did
didn’t
listen
they
they
does
doesn’t
Thank you for reading