ページ3:

☆to do を用いたいろいろな表現
a-l seem to do 「~のようだ、~のように見える」
However, as we know from experience, signs
seem to work only some times.
⇒ it seems that signs work only sometimes
KOKUYO

ページ4:

a-2 be eager to do 「(とても)~したいと思う」
eager
to wash their hands
Children became.
because they wanted to get the toy.

ページ5:

a-3 疑問詞+to do「何を〔どこで、etc.]~すべきか」
One common approach is a sign that tells.
people what to do.
•If a single line is drown through the backs
of the file boxes, people will know where
to put them.
KOKUYO

ページ6:

•
a-4 it is~to do…することは~だ」
However, it was difficult to match volunteers'
skills with victims' needs.

ページ7:

b, doing 「~すること」
'
-
Sometimes combining things in unique
ways leads to new, flexible ideas.
How about making children put away their
toys?
KOKUYO