That structure must be changed!
I saw that in unit ...!
What´s the problem?
That´s the best option!
That word goes after the verb!
100

Identify the incorrect word (italic) and correct it:

There are thousand of different types of animals.

The plural verb "are" indicates that a plural subject, thousands, must be used.

100

Identify the incorrect structure and mention in which unit you saw this topic:

Hi, I Charlie. I a student of Natural English. I always get up at 7:30 am. I work from 9:00 am to 5:00 pm. I usually go to English class after 6:00pm.

Hi, I am Charlie. I am a student of Natural English. I always get up at 7:30 am. I work from 9:00 am to 5:00 pm. I usually go to English class after 6:00pm.

Use of the verb to be (am)  - unit 4

100

What´s the problem with this sentence?

The Beatles were an English rock band, one of his most famous songs was "Hey Jude".

The Beatles were an English rock band, one of their most famous songs was "Hey Jude."

The use of the possessive his correspond to the pronoun he, the Beatles (they) needs the possessive their.

100

Daniel ____ (watch) his favorite program every Saturday.

  • Watches
  • Watching
  • Watched
  • Watch

 

We use the present simple to express habits, customs, and events that happen regularly.

when we use the 3rd person singular (he, she and it) we add -s/-es or -ies to the main verb.

100

Don't worry, I'll pay ____ the tickets.

  • For
  • By
  • To
  • with

Pay for: To give money to get something

200

Identify the incorrect word (italic) and correct it:

There are several races of giraffes, but there are only one species.

The subject of the clause (one species) is singular, so the singular verb "is" must be used.

200

Identify the incorrect structure and mention in which unit you saw this topic:

Erick Miller is a travel journalist, he work during the whole year, traveling to different places around the world. He take pictures and write articles about the places he visit.

Erick Miller is a travel journalist, he works during the whole year, traveling to different places around the world. He takes pictures and writes articles about the places he visits.

Use present simple to talk about routine, facts and general statements. When we talk about the routine of another person (3rd person singular) we add -s to the main verb. - unit 5

200

What´s the problem with this sentence?

You didn´t drink many alcohol, last night, did you?

You didn´t drink much alcohol, last night, did you?

Use of many and much. We use much with not countable nous, liquids are considered not countable nouns 

200

Last night, Jorge and Luis __ at the train station. 

  • Was
  • Were
  • Been
  • Are

Were 

The simple past tense is used to talk about actions that happened in the past.

the past simple form of the verb to be is was (i, he, she and it) and were (you, they, we and you).

200

It's so noisy that I can't concentrate _____ my homework.

  • in
  • by
  • on
  • with

 

Concetrate on: to direct your attention or your efforts towards a particular activity, subject, or problem

300

Identify the incorrect word (italic) and correct it:

A museum in Denver, chronicles black cowboys and his role in the history of the American west

A plural possessive pronoun (their) should be used to agree with the plural noun cowboys.

300

Identify the incorrect structure and mention in which unit you saw this topic:

On my last visit to Arizona, I spend a few days at George´s home, a friend of mine from the school. He live on a ranch in the desert of south Arizona, near Tombstone.

On my last visit to Arizona, I spent a few days at George´s home, a friend of mine from the school. He lived on a ranch in the desert of south Arizona, near Tombstone.

Use past simple to talk about activities that happened in past. - unit 16

300

What´s the problem with this sentence?

It is raining when I got home last night.

It was raining when I got home last night.

Use past continuous  for a longer action that was interrupted by a shorter action in the past.

300

I _____ my homework so can I play video games now?

  • have finished
  • have been finishing
  • has finished
  • has been finishing

 

Have finished

We use the present perfect to express past actions with present consequences.

Formed with the auxiliar ‘have’ and the ‘past participle’ of the verb.




 

300

When we arrived ____ the cinema, the film had already started.

  • In
  • at
  • on
  • to

 

Arrive at: to get to a place that gives you a service, such as: cinema, theater, restaurant etc.

400

Identify the incorrect word (italic) and correct it:

The Bronx is the most famous and the most old neighborhood of New York.

The superlative form of a one-syllable adjective (old) is formed with the suffix -est: oldest.

400

Identify the incorrect structure and mention in which unit you saw this topic:

- And what is the most thrilling experience you have had?                                                           - Well, I have swim with sharks in the pacific and also, I have climb the Everest and I have be in a lion cage. That´s thrilling.

- And what is the most thrilling experience you have had?                                                                       - Well, I have swum with sharks in the pacific and also, I have climbed the Everest and I have been in a lion cage. That´s thrilling.

Use the present perfect to talk about experiences, the verb needs to be in its past participle form: swim, swam, swum. - unit 17

400

What´s the problem with this sentence?

I have not ate anything today.

I have not eaten anything today. 

Use present perfect for actions that startedin the past and continuous in the present, the action must be in past participle.

400

We ____ (meet) before you moved to Los Angeles.

  • Met
  • Had met
  • Metting
  • Has met

Had met

We use past perfect to express actions that happened before another action in the past.

Formed with the auxiliar ‘had’ and the ‘past participle’ of the verb.

400

Don't worry _____ your sister, she'll be fine.

  • for
  • of
  • on
  • about

 

Worry about: to think about problems that might happen in a way that makes you feel unhappy.

500

Identify the incorrect word (italic) and correct it:

For seventeen years, between 1932 to 1949, Fred Allen was the most popular comedian on radio.

The correct pattern is between A and B.

500

Identify the incorrect structure and mention in which unit you saw this topic:

Sometimes things are not as simple and clean-cut in the sport world than they seem to be.

As far as baseball goes, the 1919 Chicago white sox …

Sometimes things are not as simple and clean-cut in the sport world as they seem to be.

As far as baseball goes, the 1919 Chicago white sox …

the comparative structure we need to use here is as...as (equality) not than. - unit 36 

500

What´s the problem with this sentence?

I know a really good mechanic, last month my car broke down, but my car is fix by that mechanic, and now it works perfectly fine.

I know a really good mechanic, last month my car broke down, but my car was  fixed by that mechanic, and now it works perfectly fine.

The passive voice is formed when the object of a sentence becomes the subject of a sentence. It is necessary the verb to be in past simple tense and the verb in past participle.

500

If you _______ (not/be) late, we _______ (not/miss) the bus.

  • Hadn't been / wouldn't have missed
  • Weren´t / wouldn´t miss
  • Aren´t / don´t miss
  • Won´t / don´t miss

 

Hadn´t been / wouldn´t have missed

The third conditional is used to talk about hypothetical situations in the past that did not happen.

It is formed using the structure if + past perfect, would have + past participle.

500

I want to go to the beach tomorrow but it depends ____  the weather.

  • for
  • of
  • on
  • about

 

Depends on: to be influenced or changed by something