Grammar 1
Grammar 2
countable/uncountable
countries, nationalities, languages
negative prefixes
100

Quebec is a part of Canada. They speak French.

Quebec is a part of Canada where they speak French.

100

Mexico and Argentina are two countries __________  I do a lot of business

where

100

He needed ____________ time to collect the data

some

100

He was born in Switzerland. He is _________________.

Swiss

100

Many common  English verbs, such as go and make, have  i_________________ past form

irregular

200

Javier Bardem is a Spanish actor. He makes films in English in the US.

Javier Bardem is a Spanish actor who makes films in English in the US.

200

Zamenhof was the man  ______ created Esperanto

who

200

They couldn't see _________ good explanation for this

any

200

He was born in Japan. He is______________.

Japanese

200

People are usually u_____________ when people read their private messages

unhappy

300

JRR Tolkien was  a writer. Her books became a series of very popular films. 

JRR Tolkien was the writer whose books became a series of very popular films.

300

It was a TV series _________ made me want to learn Klingon.

which

300

He didn't need ______________ time

much

300

He was born in Russia. He is _______________________.

Russian

300

You couldn't see the message it was i____________.

invisible

400

Latin was a language. They spoke latin in Ancient Rome.

Latin was the language which they spoke in Ancient Rome.

400

I don't know ________ idea it was

whose

400

There are ______________   of different ways to communicate

a lot of

400

He was born in Thailand. He is ______________.

Thai

400

It is i_____________ to steal data.

illegal

500

Summer is a time. A lot of people go to the UK to study English in summer.

Summer is a time when a lot of people go to the UK to study English

500

That was __________ I started to learn Japanese

when

500

They had a____________ knowledge of Tagalog, but not much

little

500

He was born in Brazil. He is _____________.

Brazilian

500

It is i______________ to read hundreds of messages in just two minutes

impossible