Grammar: should/shouldn't — if/unless. Rewrite the sentences, as in the example. 1. sleep late/Saturday night. 2. take an aspirin/have a headache. 3. sit around doing nothing/be on holiday. 4. throw a birthday party/have time to make preparations. 5. apologise/be the one to blame.

Grammar: should/shouldn't — if/unless

Rewrite the sentences, as in the example.

1. sleep late/Saturday night
   You shouldn't sleep late, unless it's Saturday night.
2. take an aspirin/have a headache
   You should take an aspirin if you have a headache.
3. sit around doing nothing/be on holiday
   You shouldn't sit around doing nothing unless you are on holiday.
4. throw a birthday party/have time to make preparations
   You should throw a birthday party if you have time to make preparations.
5. apologise/be the one to blame
   You shouldn't apologise unless you are the one to blame.