UNIT 1: Articles and Quantifiers
UNIT 2: Past Continuous/Past Simple
UNIT 3: Future Tenses/First and Second Conditionals
UNIT 4: Comparison of Adjectives
UNIT 5: Present Perfect Simple/Past Simple
100

How _______ watches do you need to wear?

many

100

The door ______ (open) while the family was sleeping.

The door OPENED while the family was sleeping.

100

I predict that cars _______ (fly) in the future.

I predict that cars WILL FLY in the future.

100

Superlative: The island we went to was ___ ___ isolated island I've ever been to. 

The island we went to was THE MOST isolated island I've ever been to. 

The island we went to was THE LEAST isolated island I've ever been to.

100

I ________ (walk) on a tightrope many times.

I HAVE WALKED on a tightrope many times.

200

How _____ juice do you want?

much

200

He _____ (to be) a lawyer.

He USED TO BE a lawyer.

200

We ______ (go) to Paris by train.

We ARE GOING to Paris by train. 

200

Comparative: The food did not taste ___ ___ (rich) as the other night. 

The food did not taste AS RICH AS the other night.

200

I ________ (to go abroad) before. I went to Asia!

I HAVE GONE ABROAD before. I went to Asia!

300

How _______ does it take you to get to school?

long

300

The detectives found the knife while they _______ (look for) the suspect. 

The detectives found the knife while they WERE LOOKING FOR the suspect.

300

If we use public transport, we _______ (reduce) our carbon footprint.

If we use public transport, we WILL REDUCE our carbon footprint.

300

I slept more PEACEFUL/PEACEFULLY than you.

PEACEFULLY

300
I ____ (drive) to school at 8 this morning.

I DROVE to school at 8 this morning.

400

How ______ is Boston from your home?

far

400

While the police officers ________ (talk) the prisoners were planning an attack on them.

While the police officers WERE TALKING the prisoners were planning an attack on them.

400

If I lived in a big city, I ______ (take) the metro. 

If I lived in a big city, I WOULD TAKE the metro. 

400

This holiday is ____ ____ ____ my last holiday.

This holiday is MORE RELAXING THAN my last holiday.

This holiday is LESS RELAXING THAN my last holiday.

This holiday is AS RELAXING AS my last holiday.

400

______ you ever ______ (break) a record before?

HAVE you ever BROKEN a record before?

500

How _______ do you eat fruits and vegetables?

often

500

The police officers _______ (drive) when the robbers ________ (break into) the safe. 

The police officers WERE DRIVING when the bank robbers BROKE INTO the safe. 

500

If they _______ (make) electric cars more affordable, I _______ (buy) one. 

If they MADE electric cars more affordable, I WOULD BUY one. 

500

The hotel room is not ____ ____ (big) for our entire family.

The hotel room is not BIG ENOUGH for our entire family. 

500

I ______ (study) acrobatics for three years. I ______ (start) in 2017. 

I HAVE STUDIED acrobatics for three years. I STARTED in 2017.