Vocabulary
Gerund vs Infinitive
Passive Voice
Past Perfect
Indefinite Pronouns
100

caring for animals

herding

100

I want (to learn - learning) another language.

to learn

100

Pedrito bought a new bike for Christmas.

A new bike was bought for Christmas by Pedrito.

100

When she arrived to the train station the train ____(leave) already.

When she arrived to the train station the train had left already.

100

There are 12 students in the class, but one student is always late. (Somebody-nobody-everybody) is always late.

Somebody is always late.

200

places with different seasons that are never extreme

temperate

200

You should stop (to come  - coming) late to class. 

coming

200

Apple developed very nice watches.

Very nice watches were developed by Apple.

200
Alejo knew about the party because Alejandro_____(tell) him about it yesterday. 

Alejo knew about the party because Alejandro had told him about it yesterday.

200

I have never heard of synesthesia before the class. I don't know (something-anything-everything) about it. 

anything

300

outstanding building or other feature

landmark

300

She loves (to play- playing)soccer every weekend.

both

300
Immigrants brought new diseases to some countries. 

New diseases were brought to some countries by immigrants.

300

Luis ______ (study) in High School for 5 years before he_____ (graduate).

Luis had studied in High School for 5 years before he graduated.

300

Do you know (someone-anyone) who is selling a car?

anyone

400

remembering

recalling

400

You should never give up (to study - studying) English. 

studying

400

Colombia exports a lot of emeralds.

Emeralds are exported from Colombia.

400

Mandy _____(become) a teacher after she _____(study) for 4 years.

Mandy became a teacher after she had studied for 4 years. 

400

I want to sell my computer, but (anyone-someone-no one) I know wants to buy it. 

no one

500

protecting the environment

conservation

500

It isn't fast (to drive - driving) in San José downtown

to drive

500

John Shepherd-Barron invented the ATMs in the 1970s.

The ATMs wer invented in the 1970s by John Sheperd-Barron.

500

Roxana ______(never/eat) chocolate crickets before she (visit) Mexico.

Roxana had never eaten chocolate crickets before she visited Mexico. 

500

(Anyone-No one) is as important as my family.

No one