SIMPLE PRESENT
http://www.inglessencillo.com/presente-simple

CONDITIONAL 0

use: to express a general truth or a scientific fact. in this type of conditional, we can use when instead of if.
when the if-clause precedes tha main clause, we use a comma to separate the two clauses.

conversation

Alfredo: Hello. My name is Alfredo. 

George: Hello Alfredo, I'm George.
 George: How can I help you?
 Alfredo: Can you tell me where Shinra Factory is?
 George: I'm sorry. I have no idea. You're not from here right? 
Alfredo: I've just arrived. I'm from Spain. 
George: I see. What brings you here to London? 
Alfredo: Business.
 George: Well, I'm sorry I can't help you with that. Maybe that cop can help you.
 Alfredo: I'll go ask him. Thank you. George: No problem. If you need any help, I'm here every day. 
Alfredo: It was nice to meet you. Catch you later George: See you, and good luck.

simple past

+

I went

you went

he went

she went

it went

we went

you went

they went

_

I didn't

you didn't

he didn't

she didn't

it didn't

we didn't

you didn't

they didn't

?

did I?

did you?

did he?

did she?

did it?

did we?

did you?

did they?

simple present

+

I go

you go

he goes

she goes

it goes

we go

you go

they go

_

I don't go

you don't go

he doesn't go

she doesn't go

it doesn't go

we don't go

you don't go

they don't go

?

do I go?

do you go?

does he go?

does she go?

does it go?

do we go?

do you go?

do they go?

VERB TO BE +ing

Present Past

To Be

+

I am

you are

he is

she is

it is

we are

you are

they are

Present To Be

 -

I am

you are- aren`t

he is- isn`t

she is- isn`t

it are- aren`t

we are- aren't

you are- aren't

they are- aren't

Present To Be 

?

am I?

are you?

is he?

is she?

is it?

are we?

are you?

are they?

Past To Be

 +

I was

you were

he was

she was

it was

we were

you were

they were

Past To Be 

-

I wasn't

you weren't

he wasn't

she wasn't

it wasn't

we weren't

you weren't

they weren't

Past To Be 

 ?

was I?

were you?

was he?

was she?

was it?

were we?

were you?

were they?

http://www.englishspeak.com/es/english-words.cfm