grammar
'To be' forms in past simple - was/were
Articles - a/an, the, zero article
Used to, be used to and get used to constructions
'To be' forms in present simple - am/is/are
There is and there are constructions
Demonstratives - this, that, these, those
Somewhere, anywhere, nowhere, everywhere
Something, anything, nothing, everything
Imperative verbs
Wh- questions