Simple present vs. Present Continuous
Simple past vs. Past Continuous
Future: Will vs. Be going to
Modals
Irregular verbs
100
Currently, Chris and Ellie (sit) in the conference room. They (listen) to music.
are sitting - are listening
100
Yesterday, Sam (try) to (come) on time, but the subway (break) down.
tried - come - broke
100
It (be) sunny tomorrow, it (not rain).
will be ('ll be) or is going to be - will not (won't) rain or is not (isn't) going to rain
100
When I was young, I (past ability) climb trees, but now I (present ability-negative).
could - cannot (can't)
100
be
was - were
200
What (you do) in the closet and who (make) that noise?
are you doing - is making
200
The actors (not receive) a standing ovation last week because they (not know) their lines.
did not (didn't) receive - did not (didn't) know
200
The phone is ringing. I (get it)!
'll get - will get
200
(Polite request) I help you? Not now, thank you. I (50% possibility) need your help later on.
May - may or might
200
buy - choose - do
bought - chose - did
300
Usually, Jim (ride) his bike to school, but right now he (drive) because of the rain.
rides - is driving
300
What time (the show start) last night? What songs (they sing)?
did the show start - did they sing
300
Jane (buy) a new bike next month.
is ('s) going to buy
300
You (obligation) wear your seatbelt and you (obligation not to) drink and drive.
must or have to - must not (mustn't)
300
drink - eat - go - leave
drank - ate - went - left
400
Boris (think) you're right even though he (not understand) what you are saying.
thinks - does not (doesn't) understand
400
Last Thursday, Jen (watch) a movie while Craig (fix) his bike.
was watching - was fixing
400
Joan (do) the dishes when she (get) home.
will do or is going to do - gets
400
When I was a teenager, I (obligation) make my bed every day, and now I (obligation) pay the bills. He (no obligation) do anything.
had to - have to or must - does not (doesn't) have to
400
lose - make - pay - run - shut
lost - made - paid - ran - shut
500
Playing video games (help) some people develop strategic thinking, but these guys (spend) too much time in front of the computer every day.
helps - spend
500
What (you do) when the phone (ring-interruption)?
were you doing - rang
500
(I see) you soon?
Will I see or Am I going to see
500
He (advice) see the doctor about this injury, but he (preference) not.
should or ought to or had better - would rather
500
speak - swim - teach - think - win - write
spoke - swam - taught - thought - won - wrote
M
e
n
u