Tag Question

¿When  to use tag question?

 The tag is used to ask questions affirmation to a question.
If the sentence is positive, the tag question is negative.
If the sentence is negative, the tag question is positive example:

He is, isn`t he?

He does, doesn`t he?

He will, won`t he?

He can, can`t he?

Tag qiestion structure?
Tag Question no:

the verb TO BE:
Affirmative Prayer + verb to be + not + pronoun?

Other verbs:
Affirmative Prayer + negative auxiliary + pronoun?

Tag Question Positive:

the verb TO BE:
Veb Oraciion to be negative + + pronoun?

Other verbs:
Negative sentence + auxiliary + pronoun?
 
EXAMPLE:


you are a good singer, aren`t you? ( simple present)

We aren't late, are we? (simple present)

you didn`t go to work yesterday, did you? ( simple past)

It was cold yesterday, wasn't it? (simple past)

you have been to london, haven`t? (present perfect)
She hasn't eaten all the cake, has she? ( present perfect)

We're working tomorrow, aren't we? ( present continuous)
The bus isn't coming, is it? ( present continuous)

Zero Conditional

¿ When to use zero conditional?
  
we use the so called zero conditional when the result of the condition is always true, like a scientific fact.

estructura

IF + present simple, ---- present simple
If       it rains,                   i get wet
 
ejemplos:

If you freeze water, it turns into ice.

If I work too much, I get tired. 

If I have time, I usually go to the movies.

If she eats hamburgers, she gets an allergy.

If they come here, they always bring a present.

First Conditional

¿When to use first conditional?

we are talking about the future. we are thinking about a particular condition or situation in the future, and the result of this condition. there is a real possibility that this condition will happen. for example, it is morning. you are at home.

STRUCTURE

IF                       condition                    result
                          present simple             WILL base verb
IF                       it rains                         I will stay at home

EXAMPLE:

If there’s a good film on TV, I’ll watch it 

If you need a ticket, I can get you one


If you need a ticket, I’ll get you one 

If you need a ticket, I might be able to get you one

Second Conditional

¿ When to use second conditional?

Conditional use means that an action depends on another. Conditionals are used to discuss real or unreal. In general, conditional sentences have the word "if" (si).

Note that there is no conditional tense for English and in Spanish there. At the same time, use the auxiliary verbs "would" to form the conditional in English.
There are four types of conditional sentences and the use of one over another reflects the likelihood of action.

STRUCTURE:
IF         condition              result
            past simple            WOULD+base verb
IF         I won the lottery  I would buy a car

EXAMPLE:
If I won the lottery, I would travel around the world. 

If I were in Brazil, I would go to Rio de Janeiro.

If I were you, I would buy that car.

 If he were in my place, he wouldn't do this. 

If I had more money, I would buy a nice apartment.

Third Conditional

¿When to use third conditional?

Conditional 3 is used to talk about unreal situations in the past and imagined results.

STRUCTURE:

IF      condition                          result
          past perfect                    WOULD HAVE+ past participle
IF       I had won the lottery       I would have bought a car

EXAMPLE: 

if I had won the lottery, I would have traveled around the world. 

If I had seen him, I would have told him about you. 

If I had known the answer, I would have raised my hand. 

If she had come on Saturday, I would have seen her. 

If they had left earlier, they would have arrived on time.