serious

discordant

agreeing

positive

has swept

was sweeping

has been sweeping

swept

have

it

wind

that

The areas of differences in generation gap have changed over the years.

Different points of view are the main problem between generations in America.

Generation gap doesn't cause a big problem in American families.

The generation gap in the past was different from that in modern time.

practice

system

manner

plan

must be slept

must have been sleeping

must sleep

must be sleeping

a

no article

an

the

hugely

widely

deeply

broadly

over-thirty people's

the older generation's

the younger generation's

supervisor's

I fully intend to find out who is responsible for the graffiti.

I have many intentions of finding out who is responsible for the graffiti.

I am not interested in the graffiti.

Who is responsible for the graffiti is not my concern.