(共11张PPT)
2
0
2
0
四年级下册难点
—
was
/
were
外研版新标准英语
now
then
am/is
was
I
am
ten
now.
I
was
two.
I
am
tall.
I
was
short.
I
am
nice
now.
I
was
naughty
then.
Let's
say.
This
is
me.
I
am
nine.
I
am
tall.
I
am
clever.
This
is
me.
I
was
one.
I
was
short.
I
was
cute.
is
was
She
is
eleven.
She
was
two.
She
is
tall.
She
was
short.
She
is
beautiful.
She
was
cute.
Her
hair
is
long.
Her
hair
was
short.
is
was
He
is
fifty.
He
is
old.
His
hair
is
white.
He
was
twenty.
He
was
young.
His
hair
was
black.
20
50
is
was
It
is
ten.
It
is
big.
It
is
strong.
It
was
three.
It
was
small.
It
was
cute.
now
then
are
were
They
are
sixty.
They
are
old
now.
They
were
thirty.
They
were
young
then.
30
60
was
wasn't
It
is
big.
It
wasn't
big
then.
It
was
small.
It
is
clean.
It
wasn't
clean
then.
It
was
dirty.
He
is
thin.
He
wasn't
thin
then.
He
was
fat.
She
is
tall.
She
wasn't
tall
then.
She
was
short.
They
are
tall.
They
weren't
tall
then.
They
were
short.
They
are
old.
They
weren't
old
then.
They
were
young.
were
weren't
2
0
2
0
Thank
you!