A
B
C
D
E
100

lehren / sentence in present perfect (active)

teach, taught, taught

100

graben / sentence in past progressive (active)

dig / dug / dug

100

essen / sentence in present perfect (active / negative sentence)

eat / ate / eaten

100

bezahlen / sentence in simple present (active)

pay / paid / paid

100

verkaufen / sentence in present progressive (active)

sell / sold / sold

200

werfen / sentence in will-future (active)

throw / threw / thrown

200

tragen (Kleidung) / sentence in present perfect progressive (active)

wear / wore / worn

200

schreiben / sentence in simple past (passive)

write / wrote / written

200

schlafen / sentence in future-progressive (active)

sleep / slept / slept

200

denken / sentence in simple past (active / negative sentence)

think / thought / thought

300

What's the correct form: 

The prime minister was / has criticized for his recent actions. 

was

300

 Active - Passive: 

They will install safety barriers in the factory. 

Saft barriers will be installed in the factory. 

300

Active - Passive: 

The technician will repair the computer tomorrow. 

The computer will be repaired tomorrow.

300

Active - Passive: 

They are transporting the products using trucks. 

The products are being transported using trucks. 

300

Active - Passive. 

A teacher gave the new students a map of the university campus.

The new students were given a map of the university campus. 

400

Active - Passive: 

Nobody has educated them about the dangers of smoking. 

They haven't been educated bout the dangers of smoking.
400

Active - Passive: 

Teachers require the students to watch an educational video.

The students are required to watch an educational video. 

400

Active - Passive: 

The bank managers is signing the document as we speak. 

The document is being singed as we speak. 

400

Active - Passive

Many people will be celebrating the football team's victory in the streets tonight.

The football team's victory will be / is going to be celebrated in the streets tonight. 

400

Active - Passive

In India, people belle that cows are holy. 

In India, it is believed that cows are holy. 

500

more formal and passive : 

Sorry, but we've lost your letter. (to mislay)

Unfortunately your letter has been mislaid. 

500

more formal - passive. 

The police are grilling Harry down at the station. ( to question)

Harry is being questioned down at the station. 
500
more formal - passive: 

They took Chris to court for dangerous driving.  (to prosecute)

Chris was prosecuted for dangerous driving. 

500

more formal - passive:

I don't know your name. (to introduce)

We haven't been introduced. 

500

more formal - passive:

They stopped playing the match after half an hour. (to abandon)

The match was abandoned after half an hour. 

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