Mr.Aizawa arrived there, he started to read the book.
started / he / there , had / arriving / to / the / book /
(2) As he had learned the computer once before, he
used it at once.
he / the / computer / it / once / once /
before / having / using / learned / used / at
(3) As she has
finished her homework, she plays the piano.
finishing / the /
homework / playing / she / her / having / piano / finished /
(4) Though he had failed the exam three times, he
three / having / tried / exam / he / failing /
but / the / failed / times /again
(5) As she had been
praised by the teacher, she studied harder.
praised / by /
been / having / she / being / teacher / studied / the / harder /
to the left, you will see the bookstore.
as / the / if / you
/ turning / left / turn / to
［ ］, you
will see the bookstore
(2) Understanding what you say, I
don't know how to treat.
what / having / you / though / say /
I / understand / even
［ ］, I don't know
how to treat.
(3) Having been closed all the windows, we
might be dangerous.
all / been / windows / was / closed / it
/ the / as / closing
［ ］, we might be
(4) Waiting for the train, I saw his
while / was / train / waiting / for / have / I / the
［ ］, I saw his
(5) Having read this book, he started to write a
he / this / had / after / reading / read / was /
［ ］, he started to write a
do you like summer
［ ］, he is
you are wrong.
［ ］, it seems that he
studies in Hello
is true, I belive
(1) Speaking of
English, it is difficult for me.
(2) Speaking English is
difficult for me.