Unit 15
Unit 16 & 17
Unit 18
Unit 19
Unit 20
100
There are also called helping verbs.
What is a modal?
100
U16 It is the structure we use for past modals.
What is modal + have + past participle?
100
This kind of sentence focuses on the person or thing receiving the action.
What is passive voice?
100
We form the passive with modals with the form:...
What is modal + be + past participle?
100
It is the form of the passive causative.
What is have/get + object/something + past participle?
200
These are used to show ability.
What is can and be able to?
200
U16 We use these forms in very informal notes, emails and text messages. They are four.
What is shoulda, could, mighta and oughta?
200
These verbs do not have a passive form?
What is intransitive verbs?
200
We use this to talk about passive for the future.
What is will or be going to?
200
We use this form to talk about services that you arrange for someone to to for you.
What is passive causative?
300
These are used to show future possibility.
What is may, might and could?
300
U16 They often express blame or criticism about something that happened.
What is past modals of advisability?
300
Name one situation in which we use the passive.
What is we don't know the doer or we avoid mentioning the doer?
300
We use this modal for past ability?
What is could?
300
It shows the difference between the past perfect and the passive causative.
What is the object?
400
This is used when we want to say that something is not necessary.
What is don't have to?
400
U17 These past situations are usually based on onlyl a few facts.
What is speculations?
400
We use by only under this condition.
What is the doer is important?
400
Can't is used for this purpose.
What is impossibility?
400
When it's clear who is doing the action we don't use it.
What is by?
500
These three modals are used to give advice.
What is should, ought to and had better?
500
In short answers about past possibility we can answer in two different ways depending on what is included in the question. These forms are.
What is modal + have or modal + have + been?
500
We use it when we want to mention the agent.
What is by?
500
We use should, ought to, had better, must and have (got) to with the passive for....
What is advisability and necessity?
500
We can use the passive causative with all of these. (they are 4)
What is all verb tenses, modals, gerunds and infinitives?
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