Modal verbs
Modal verbs explain the possibility of somthing.
e.g. I might go to the park. I will come to the wedding.
Present progressive
BUZZ WORD: Is, am and are, verb ending in "ing".
e.g. I am running. My cousin is playing football.
Past progressive
BUZZ WORD: were or was, verb ending in "ing"
e.g. I was jumping. I was diving with my brother.