Obligation & Ability: Which modals verb do we use to talk about ability in the present?
Can / Can't
Family & Relationships; Which word do we use to replace brother or sister?
Sibling
Past perfect simple & continuous: I ___________ (work) all day, so I didn't want to go out...
had been working
Questions: When would we use an indirect question?
When we don't know the person / polite
Articles: Explain the difference between THE & A/AN
The - to be specific (definite) / A/An - to talk in general (indefinite)
Obligation & Ability: Which modal verb do we use to talk about prohibition?
Mustn't
Modifying comparatives: Which words can we use to modify a superlative to show a big difference?
By far, easily
Future perfect simple & Future continuous: Which one of these grammar points do we use to talk about things that WILL or WON'T be completed before a definite future time?
Future perfect
Modifying comparatives: Which words can we use to modify a comparative to show a big difference?
Far, much, a lot
Articles: Give one example (or more if possible) for when we use the zero article