Englishfor English speakers
back
Preposition
—
Toward the rear.
He went back behind the stands.
—
To a place again.
I didn't like it, so I sent it back.
He went back to the same house.
They came back again.
back
Noun
—
The back is the rear part of something; it is the part in the other direction from the front.
I went to the back of the house.
—
The back is the rear part of the human body.
He had a scar on his back.
back
Verb
—
If you back something, you support it.
The Republicans backed the bill.
—
If you back up, you move backward.
He put the car in gear and backed right into the garage door.
tool
Noun
—
A tool is an object that you use to do a specific job, such as a hammer.
I used to fix my own car, but I sold all my tools.
—
A tool is a person being used by another person or organization.
He is such a tool. He should think for himself, instead of doing everything they tell him to do.