Dependent prepositions
Ex. On, in, at, for, from, across, by, to
What is an infinite verb?
Base form of a verb
When is "ought to" used?
Recommendations
Prohibition? Obligation? Permission?
We have to separate garbage into organic and inorganic.
Obligation
Complete with the correct preposition:
I’ve asked _____ a refund since the product was broken
I’ve asked for a refund since the product was broken.
In this sentence, what is the infinitive verb?
I chose to get a hair cut yesterday.
to get
Point out the mistake in the next sentence:
You ought respect an animal’s space so they don’t attack.
You ought to respect an animal’s space so they don’t attack.
Permission? Obligation? Prohibition?
We may camp in this area if we look after it.
Permission
Complete the sentence with the correct preposition:
It’s worrying that there’s been an increase _______ pollution levels recently.
It’s worrying that there’s been an increase in pollution levels recently.
Complete the sentence with the infinitive verb:
Don’t forget __________________ the document as soon as you are finished. (sign)
Don’t forget to sign the document as soon as you are finished. (sign)
Point out the mistake in the next sentence:
You ought not feed the zoo animals.
You ought not to feed the zoo animals.
Rewrite the sentence using of of the following expressions:
can / could / have to / must / mustn’t
We have the permission to explore the forest.
We can/could explore the forest.
Complete the sentence with the correct preposition:
A hydropower plant is similar ____ a geothermal plant
A hydropower plant is similar to a geothermal plant.
Complete the sentence with the infinitive verb:
I agreed ________________ him if he is in trouble. (help)
I agreed to help him if he is in trouble. (help)
What is the grammar structure for the use of "ought to"?
subject + ought to + infinitive
Rewrite the sentence using of of the following expressions:
can / could / have to / must / mustn’t
It’s very important for me to rescue and look after street dogs.
I must rescue and look after street dogs.
Say if this sentence is correct or incorrect:
If it's incorrect, correct it.
Do you know the reason to this mess? Was there a party or something?
Incorrect
Do you know the reason for this mess? Was there a party or something?
Make up your own sentence with a conjugated verb in past and an infinitive verb to complete the action.
Ex. I wanted to do my homework yesterday.
Make up your own sentence using "ought to"
Ex. I ought to study for my exam if I want to pass.
Give an example of the use of "must"
Give an example of the use of "could"
Give an example of the use of "mustn't"
I must arrange my bedroom.
I could bring a jacket of different color to school.
People mustn't throw garbage on the streets.