Conditional conjunctions
Modal verbs
Passive voice
Comparatives and superlatives
100
In case, provided that, as long as, unless, and since are conditional conjunctions that are used to:
a) To link or to connect phrases or ideas
b) To express unhappiness
c) To express uncertainty
a) To link or to connect phrases or ideas
100
Mention 2 uses of the modal verbs
possibility or permission
100
A thief stole my car.
My car was stolen by a thief.
100
-In the mall, clothes are expensive.
-In the market, clothes are cheap.
So, you can buy _____ (economic) in the market.
more economically
200
Complete the sentence with the appropriate conditional conjunction:
Humans need to be careful about alien encounters __________ they are aggressive.
a) in case b) as long as c) provided that
a) in case
200
Complete the question: ________ you tell me the time please?
Could you tell me the time please?
200
They didn't make their beds.
Their beds weren't made by them.
200
Use this word to make a superlative, and a comparative adverb: unselfish
Superlative: the most unselfishly
Comparative: more unselfishly
300
Complete the sentence with the appropriate conditional conjunction:
Animals will be in danger ____________ we protect them.
a) in case b) since c) unless
c) unless
300
Complete the sentence: I _____ go to school or I will fail the course.
I must go to school or I will fail the course.
300
Did he send the letter?
Was the letter sent by him?
300
Chocolate has the power to make people act ____ (happy).
Chocolate has the power to make people act more happily.
400
Choose the correct conditional conjunction for this sentence:
__________ people had never seen aliens, we don't know how they are.
a) Unless b) Since c) Provided that
b) Since
400
Complete the sentence: Rodrigo ______ like burritos.
Rodrigo might like burritos.
400
You wash the car every week.
The car is washed every week. 
400
What do we use comparative and superlative adverbs for?
Comparative: to compare 2 things.
Superlative: to compare 1 thing to 2 or more things.
500
Choose the correct conditional conjunction for this sentence:
It will be nice to meet an Alien ____________ they are friendly.
a) since b) unless c) as long as
c) as long as
500
Write 2 sentences using different modal verbs.
500
Do you wash the car every week?
Is the car washed every week?
500
-The person who reacts the most aggressively will be out.
-The person who reacts more aggressively than his peer, will be out.
What’s the difference between these two sentences?
The first one compares one person to more than 2 people.
The second one compares one person to another person.