Simple Present vs Present continuous
Simple Past vs Past Perfect
Modals
Simple past vs Past Continuous
Present Perfect vs Simple Past
100

Every morning, she [wake] up at 7 AM and [go] for a run to stay active.

wakes / goes

100

He [wake] up at 7 o'clock yesterday.

woke

100

I am sure. This [be] the answer.

must be

100

She [cook] dinner when the phone [ring].

was cooking / rang

200

Right now, as I [write] this, the sun [shine] brightly outside my window.

am writing / is shining 

200

Yesterday, I [watch] a movie that I [want] to see for a long time.

watched / had wanted

200

No way! This [be] true!

cannot be

200

She already [see] that movie before. 

has already seen

300

She usually [read] a book before bedtime, but tonight she [watch] a movie.

reads / is watching

300

By the time I [arrive] at the party, everyone already [eat] the delicious cake.

arrived / had already eaten

300

As I [walk] to the store, it suddenly [start] raining.

was walking / started

300

I [not see] such a thing since I [come] here.

haven't seen / came

400

The train [depart] from the station at 3 PM every day, and passengers [board] it now.

departs / are boarding

400

It probably [rain] tonight. 

will probably

400

While they [play] video games, the power [go] out.

were playing / went

400

I [visit] Paris several times, but the last trip [be] two years ago.

have visited / was

500

Before he [join] the company, he [work] in various other industries.

joined / had worked

500

We probably [not arrive] there on time.

probably won't arrive

500

While I [do] yoga, my phone [start] ringing. 

was doing / started

500

They [know] each other since high school, and they [get] married last year.

have known / got

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