Unit 2 Grammar: If and Related Expressions

(Blank)

100

It seems as if

Apparently/probably

200

Provided that

On the chance that/if and only if

300

Rarely, if ever

Never/almost never

400

Whether or not

If something is true or false/if something is false

500

If so

If desired/if true

(Blank)

100

If in doubt

If you're not sure/if you don't care

200

If any

If there are some/if it's obvious

300

As long as

Once in a while/if and only if

400

Unless

If it doesn't happen that/if it happens that

500

But for

If it weren't for/except in the case where