"Used to..."
Countables and collectives
Active and passive
Modals in past
100

What is the structure for continuous habit in the past?

used to + verb base form

100

Is rice countable or uncountable?

uncountable

100

If the subject cannot do the action, then the sentence is what kind of form?

Passive

100

How do you explain "might have", "may have", and "could have" in less than two words?

50% 

200

What is the structure for "accustomed"?

to be + used to + verb in -ing

200

Is "furniture" uncountable or collective?

Uncountable

200

What is the structure of passive voice?

to be + PP

200

How do you explain "couldn't have" in less than three words?

90% No

300

What is the structure for "becoming"

get + used to + verb in -ing

300

Is "crew" a plural noun or a collective noun?

collective

300

What do we call the passive structure where you pay a professional to do something for you?

have something done

300

What is the opposite of "couldn't have"?

must have

400

What is present perfect continuous for "becoming"

have been getting + used to + verb in -ing

400

Is "team" countable or uncountable?

countable

400

What is the other reason we use "have + object + PP"?

If something bad happens to you

400
How do you explain "should have" in five words?

Didn't do the right thing