Summary of some English verb tenses

PRESENT SIMPLE	Routines Facts Scientific facts	To be Sujeto + am/is/are + verb E.g. You are students		To be Suj + verb + not E.g. I'm not teacher You aren't students	To be Am/are/is + suj + verb? E.g. Are you students?
		The rest of the verbs  (I/ you/are) Sujeto + verb (she/he/it) Sujeto + verb +"s" E.g. I watch films He watches films	(she/he/it) has goes does	The rest of the verbs Suj + Don't / Doesn't + verb E.g. I don't watch films She doesn't watch films	The rest of the verbs Do/Does + suj+verb? E.g. Do you watch filmes? Does she watch films?
	KEY WORDS	Usually, always, never, often, sometimes, everyday
PRESENT CONTINUOUS Verbs not included in this tense Need/want/like/love/hate/prefer	Happening now	Suj + am/are/is + ing E.g. I am eating pizza now		Suj + am/are/is + not + ver +ing E.g. I am not eating pizza now	Am/are/is + suj+ verb + ing E.g. Are you eating pizza now?
	KEY WORDS	Look¡¡, listen¡¡, now, at this moment, right now
PAST SIMPLE	Started and finished in the past	To be I/he/she/it + was + verb E.g. I was born in Bs. As. You/we/they + were + verb E.g. You were born in Bs. As The rest of regular and irregular verbs E.g. Reg. I watched TV yesterday E.g. Irreg. I ate pizza yesterday		To be Suj + was/were+ not + verb E.g. I wasn't born in Bs. As. You weren't born in Bs. As. The rest of regular and irregular verbs E.g. Reg. I didn't watch TV yesterday E.g. Irreg. I didn't eat pizza yesterday	To be Was/were + suj + verb E.g. Were you born in Bs. As. The rest of regular and irregular verbs E.g. Reg. Did you watch TV yesterday? E.g. Irreg. Did you eat pizza yesterday?
	KEY WORDS	Yesterday, ...ago, last week, last year, in 19... Expresiones de tiempo precisas.
PRESENT PERFECT	-Actions that started in the past and are not finished actions -Recent Actions -No time reference	I/you/we/they + have + verb 3° col. He/she/it + has + ver 3° col. E.g. I have studied English since 2005 I have worked here (sigo trabajando)		I/you/we/they + haven't + verb 3° col. He/she/it + hasn't + verb 3° col. E.g. I haven't studied yet He hasn't died yet	Have/has + suj + verb 3° col.? E.g. Have you studied...? Has he died...?
	KEY WORDS	Already, since, for, sofar, ever, yet, just, still, recently, lately.
FUTURE "GOING TO"	Plans Predictions	Suj + to be +going to + infinitive verb E.g. I am going to buy a new car		Suj + tobe + not + going to + infinitive verb E.g. I am not going to buy a new car  She isn't going to buy a new car	To be + suj + going to + infinitive verb E.g. Are you going to buy a new car?