Public Spaces & Places
Rules, Permission, Obligation
Research & Discovery
Past Unreal Conditionals
Modals of Past Probability
100

What is a playground?

A place where children play.

100

Fill in: You ___ smoke here. (not allowed)

must not / can’t

100

What does carry out research mean?

To do a detailed study or investigation.

100

Structure of past unreal conditional?

If + past perfect, would have + past participle

100

What does must have + past participle express?

Strong certainty about the past.

200

What is a courthouse?

A building where legal cases are heard.

200

Fill in: Students ___ wear uniforms. (obligation)

must / have to

200

What is a breakthrough?

An important discovery or achievement.

200

Complete: If I had studied, I ___ passed the test.

would have

200

Fill in: He ___ have forgotten the meeting. (strong possibility)

must

300

Which place is used for official government services?

City hall

300

Change to permission: “It is allowed to use phones here.”

You can use phones here.

300

Fill in: Scientists ___ a new solution to the problem.

provided / found / developed (acceptable answers)

300

Change to past unreal: I didn’t go, so I missed it.

If I had gone, I would not have missed it.

300

What does might have express?

A possibility in the past.

400

Give one example of a public space.

Park / library / boardwalk (any correct answer)

400

Correct the sentence: You must to leave now.

You must leave now.

400

What does make a connection mean in research?

To find a link between ideas or information.

400

Correct the sentence: If I would have known, I would have helped.

If I had known, I would have helped.

400

Fill in: She ___ have seen the message. (impossible)

can’t / couldn't

500

What is a toll plaza used for?

A place where drivers pay to use a road or highway.

500

Write one sentence using may for permission.

(example): You may enter the building after 9 AM.

500

Use notice a phenomenon in a sentence.

(example): Scientists noticed a phenomenon in the experiment.

500

Make your own past unreal conditional sentence.

(example): If I had left earlier, I would have caught the bus.

500

Choose correct modal: They ___ have arrived already (we are not sure).

might