tiempos
often, always, every day...
present simple
keywords
sheldom, whenever
on Mondays, Tuesdays
uses
form
afirmative:
subject+verb
I talk
He eats
negative:
subject+don't/doesn't+verb
I don't talk
He doesn't eat
questions:
do/does+subject+verb
Do you eat?
Does he walk?
habits, facts, thoughts and feelings
general statements and actions
scientific facts
programmed events
present continuous
keywords
now, at the moment
lately, currently
form
afirmative:
subject+to be+verb in -ing
I am talking
negative:
subject+to be+not+verb in -ing
I am not talking
questions:
to be+subject+verb in -ing
are you talking?
is he eating?
uses
talk about something that´s
happening now
talk about something that
happens nowadays
near future
present perfect
uses
action that happens in the past
and continues in present
repetitive action in a period of time
actions in an inespecific period of time
form
afirmative:
subject+to have+p. participe
I've walked
He has eaten
negative:
subject+to have+ not+p.participe
I haven't walked
He hasn't eaten
questions:
to have+subject+p. participe
Have you walked?
Has he eaten?
keywords
just, ever, never, already, yet
for, since
past simple
keywords
yesterday, last night...
in 2010, 1973..
form
afirmative:
subject+verb -ed/inf. form
I asked her to stop
she walked through bullets and haze
negative:
subject+to do/to be+not+verb in infinitive
I didn't ask her to stop
She doesn't walk through bullets and haze
questions:
to be/to do+subject+verb in infinitive
Did I ask her to stop?
Does she walk through bullets and haze?
uses
actions that happened in the past
serie of events in the past
repetitive actions in the past
past continuous
form
afirmative:
subject+to be+verb -ing
I was talking
They were eating
negative:
subject+to be+not+verb -ing
I wasn't talking
They weren't eating
questions:
to be+subject+verb -ing
Were you eating?
was he talking?
keywords
while
when
uses
actions being developed in the
past when other interrupts
actions in an especific
period of time
be going to
form
afirmative:
subject+to be+going+infinitive
He's going to jog
negative:
subject+to be+not+going+infinitive
He's not going to come
questions:
to be+subject+going+infinitive
is she going to die?
keywords
tomorrow, next week, in X days...
uses
future events with a solid link
with the present
plans and intentions
predictions
future simple
form
afirmative:
sujeto+will+verb
I'll call you tonight
negative:
subject+won't+verb
I won't call you tonight
questions:
will+subject+verb
will you call me tonight?
keywords
tonight, next week, in X days...
uses
voluntary actions
promises
predictions