useless
boring
safe

boring
common
difficult

useless
impractical
unusual

comfortabler
more comfortable
the most comfortable

How far
How much
How long

Do you understand
Are you understanding
Understand you

Would; for
Can; with
Can; to

might
am going to
am planning to

Shall we
How about
Let s go

Have you ever been in
Have you ever been to
Did you ever go