CONDITIONALS:

ZERO CONDITIONAL: Real situation.

If clause	Main clause
If + Present tense	Present tense
If you freeze water	it turns into ice.

If I work too much, I get tired. 
Si trabajo demasiado, me canso.

FIRST CONDITIONAL: True or possible situation.

If clause	Main clause
If + Present tense	will / can / may / must + verb
If it rains today,	I'll stay at home

If it rains today, I'll stay at home.

Si llueve hoy, me quedaré en casa.

SECOND CONDITIONAL: Hypothetical situation.

If clause	Main clause
If + Past Simple	would / could / might + verb
If I won the lottery,	I would travel around the world.

If I won the lottery, I would travel around the world.
Si ganara la lotería, viajaría por todo el mundo.

THIRD CONDITIONAL: Hypothetical situation last

If clause	Main clause
If + Past Perfect tense	would/could/might + have + past participle
If I had won the lottery,	I would have traveled around the world.

If I had won the lottery, I would have traveled around the world.
Si yo hubiera ganado la lotería, habría viajado por todo el mundo.

They write letters

*Letters are written by them

They wrote letters

*Letters were written by them

They are writing letters

*Letters were being written by them

She writes letter

She will write letter

*Letter will be written by her

She is going to write letter

*Letter is going to be written by her

She have written letter

*Letter have been written by her

They should read English books carefully at home every month
*When should they read English books carefully at home?
Simple Past:
They read English books carefully at home last week
*How did they read English books at home last week
Future with going to:
They are going to read English books carefullt at home tomorrow
*Where are they going to read English books carefully tomorrow?
Present Tense:
They read English books carefully at home today
*What do they read carefully at home today?
*Which books do they read?
Present Perfect:
They have read Ennglish books carefully at home since April
*How long have they read English books carefully home?

EXERCICE 

1. She drinks coffee in the cafeteria twice a week
*What does she drink in the cafeteria twice a week?
*When does she drink in the cafeteria?
*Where does she drink coffee twice a week?
*Why does she drink coffee in the cafeteria twice a week?
*Which drink does she drinks in the cafeteria?
*Who drinks coffee in the cafeteria twice a week?

2. They're dancing salsa at the disco at the moment
*What are they dancing at the disco at the moment?
*When are they dancing salsa at the moment?
*Why are they dancing salsa at the disco at the moment?
*Which music are they dancing un the disco at the moment?
*Who are dancing salsa at the disco at the moment?
*Where are they dancing salsa at the moment?
*How many hours are they dancing salsa?

3.You wrote the project in the office yesterday night
*What did you write the project in the office yesterday night?
*When did you write the project in the office?
*Where did you write the project yesterday night?
*Why did you write the project in teh office yesterday night?
*Which project did you write in the office yesterday night?
*Who write the project in the office yesterday night?
*How many hours  did you write the project in the oddice yesterday night?

4.He was speaking English in class last month
*What was he speaking in class last month?
*When was he speaking English in class?
*Where was he speaking English last month?
*Why was he speaking English in class last month?
*Which language was he speaking in class last month?
*Who was speaking English in class last month?
*How many hours was he speaking English in class last month?

one bus - two buses

one box - two boxes

 one tomato - two tomatoes

 one baby - two babies

 one boy - two boys


EXEPTIONS:
        *one child - two children
        *one woman - two women
        *one person - two people

        *one foot - two feet
        *one mouse - two mice
        *one tooth - two teeth

Times	Affirmative	Negative
Simple Present	She eats hot dogs	She dosen't eat hot dogs
Simple Past	She ate hot dogs	She didn't eat hot dogs
Past Progressive	She was eating hotdogs	She wasn't eating hot dogs
Present Progressive	She is eating hot dogs	She isn't eating hot dogs
Future with Will	She will eat hot dogs	She won't eat hot dogs
Future with going to	She is going to eat hotdogs	She isn't going to eat hotdogs
Present Perfect	She has eaten hot dogs	She hasn´t eaten hot dogs
Past Perfect	She had eaten hot dogs	She had not eaten hot dogs

Interrogative	Short A.	Short N.	Time
Does she eat hot dogs?	Yes, she does	No, she dosen't	Today
Did she eat hot dogs?	Yes, she did	No, she didn't	Yesterday
Was she eating hot dogs?	Yes, she was	No, she wasn´t	Yesterday
Is she eating hot dogs?	Yes, she is	No, she isn´t	Now
Will she eat hot dogs?	Yes, she will	No, she won´t	Next year
Is she going to eat hotdogs	Yes, she is	No, she isn´t	Tomorrow
Has she eaten hot dogs	Yes, she has	No, she hasn't	Now
Had she eaten hot dogs	Yes, she had	No, she had not	Since 2 years

                                                                        BODY:

FACE:

HEAD:

HAND:

NECK:

ARM:

SHOULDER:

FINGER: 

LEG:

KNEE:

FOOT: