about to (do something)
I was about to leave when the phone rang.
according to (someone or something)
According to our teacher, there will be no class next week.
We did everything according to the terms of our agreement.
account for (something)
The bad weather accounts for the fact that few people came to the meeting.
You don't need to phone him. After all, he never phones you."
all of a sudden
All of a sudden it became cloudy and began to rain.
as a matter of fact
"As a matter of fact, we have been to the history museum many times."
as far as
As far as I know the movie will start in a few minutes.
As for me, I think that I will return home now."
The drink tastes as if it were made with orange juice.
as long as
"As long as you promise to be careful you can borrow my car."
as soon as
I phoned my friend as soon as I finished dinner.
with regard to, according to: "As to your question, I will answer it tomorrow."
The players were put into groups as to their ability.
I plan to take a computer course this summer as well.
as well as
"Please bring your swimming suit as well as your towel."