Back/ear/stomach

- deep wounds I've got a cut in my foot
Superficial wounds can take on

I've got a scratch on my arm

25.29 on' and off'

On and off are generally used as prepositions or particles to refer to the supply of power, especially electricity and water

Turn the light/tap on/off They are also used in connexion with feelings

Ray turns his affections on and off Both prepositions are often found on switches, appliances etc ON/OFF

25.30 'opposite (to)'
Opposite can be used as an adverb

Where's the bank?- It's opposite Or it can be used as a preposition, with or without to (though to is often unnecessary)

There s a bank opposite (to) my office Opposite can be used as a predicative ad|ective

The house opposite is up for sale and as an attributive adjective

They both have opposite points of view

25.31 'out of, 'outside', 'out' [> 8. 4. 3, 8.9.6] Out of is the opposite of into when we are describing movement

We ran out of the burning building

Compare

We got into the car in a hurry Out of is the opposite of in when there is no movement involved

Mr Ray is out of the office (= He is not in )

Mr Ray is in his office (= He is not out) Out is sometimes used informally as a preposition

Don't throw your bus ticket out the window

(= out of the window) Outside can sometimes replace out of to describe movement

We ran outside the burning building

But, without further information, this can also be taken to mean that we were already outside it when we began to run Inside and into stand in the same relationship We ran inside the burning building.

can also be taken to mean we were already inside it when we began to run Without movement outside cannot replace out of

He is outside his office means 'he is (standing) immediately outside it

He is out of his office means 'he is not here, he is somewhere else Outside and inside can be used as adverbs into and out of can only be used as prepositions [> 8 9 5-6]

He is inside/outside

We rushed inside/outside It is always safer to use into and out of as prepositions rather than outside and inside to mean 'from one place to another' In/out can be used as adverbs [> App 25.22]

He's in/out