Present Simple vs.
Present Continuous
Will vs Going to
Going to vs Present Continuous
Future Simple vs Future Continuous
Future Simple vs Future Perfect
100

She usually __________ (go) to the gym, but today she __________ (stay) at home.

goes / is staying — routine / temporary

100

"I'm thirsty." "I __________ (get) you some water."

will get — spontaneous decision

100

I __________ (study) medicine at university.

am going to study — general intention

100

 "The phone is ringing." "Don't worry, I __________ (answer) it."

will answer — spontaneous decision

100

I believe she __________ (pass) the exam.

will pass — opinion/prediction

200

I __________ (not understand) this grammar rule. Can you explain it?

don't understand — stative verb

200

Look at those dark clouds! It __________ (rain).

is going to rain — visible evidence

200

We __________ (have) dinner with the Smiths on Saturday at 8 pm.

are having — specific arrangement

200

This time next week, I __________ (relax) on the beach.

will be relaxing — in progress

200

By next June, she __________ (graduate) from university.

will have graduated — completed before

300

The train __________ (leave) at 9:00 tomorrow morning.

 leaves — timetable

300

I think technology __________ (change) education in the future.

will change — opinion/prediction

300

They __________ (move) to Madrid, but they haven't decided when yet.

are going to move — intention/no details

300

Don't call me at 8 pm. I __________ (have) dinner.

will be having — in progress

300

They __________ (complete) the project by the deadline.

will have completed — completed before

400

More and more students __________ (choose) online courses these days.

are choosing — trend

400

She has already bought the tickets. She __________ (travel) to London next month.

is going to travel — prior intention

400

She __________ (give) a presentation tomorrow at 10:00 in room 305.

is giving — detailed arrangement

400

I think humans __________ (live) on Mars one day.

will live — opinion/prediction

400

I'm sure technology __________ (improve) in the next decade.

will improve — opinion/prediction

500

We __________ (meet) the university advisor at 3 pm tomorrow.

are meeting — arranged plan

500

"The printer isn't working." "Don't worry, I __________ (fix) it right now."

will fix — spontaneous decision

500

I've already decided I __________ (learn) German next year.

am going to learn — decided intention

500

At this time tomorrow, we __________ (fly) over the Atlantic.

will be flying — in progress

500

By the time you arrive, we __________ (already/leave).

will have already left — completed before