Discussion
Children’s Day
Teachers’ Day
Spring Festival
National Day
Fools’ Day
Christmas Day
Tree Planting Day
The ground must be just right—neither too wet nor
too dry.It’s best to plant trees in spring because
it’s warmer.
刚刚好
最好做某事
Dig a hole large enough for
the tree. But the hole should
not be too deep.
dig dug dug
A hole must be dug large enough
for the tree.
Knock a long , strong stick into the earth in
the hole. Make sure that it’s straight.
泥土，土壤
Put the tree in the hole next to the stick so that
it’s right. 以便，以致
A long, strong stick should be knocked
into the earth in the hole.
The tree must be put in the hole next to
the stick so that it’s right.
Must/should +be + p.p
Put the earth back in the hole again. Push it down
hard with your foot several times.
The earth must be put back in the hole again.
The earth should be pushed down hard with
your foot several times.
Tie the tree to the top of the stick to keep it straight.
The tree must be tied to the top of the stick------
Water it well.
It should be watered well.
Complete the instructions:
1. Dig a hole for the tree. The hole should be_____enough,
but not too ______.
2. Knock a _____into the earth to keep the tree _____.
3. Put the _____in the ____. Make ____that it’s _______.
4._____the ____back into the ____. _____it _____hard with
your ______several times.
5. Tie the ____to the top of the stick to _____it straight.
6. _______the tree well.
large
deep
stick straight
tree hole sure straightPut earth hole push down
foot
tree keep
Water
Say these sentences are true or false:
1. Summer is the best time for planting trees.( )
2. The earth should be very wet.( )
3. The hole must be very big.( )
4. The ground must not be too hard. ( )
5. The hole must not be too deep.( )
6. The ground should be hot. ( )
7. The tree must be put straight in the hole. ( )
FFF
TTF T
/2
