Unit 10 I planted trees

(共12张PPT)
（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