Grammar
PRESENT PERFECT SIMPLE
Have/has + past participle
Uses: an action that started in the past and continues to the present and an action that took place at an unspecified time in the past and is relevant to the present.
Time expressions: never, ever, already, just, yet, recently, lately, in recent years, for, since, How long..?
PAST PERFECT
Had + past participle
Use: an action that took place before a specific moment in the past.
Time expressions: already, by the time, after, before, until, never, just, when, as soon as.
PRESENT PERFECT CONTINOUS
Have/has + been + verb + -ing
Use: an action that started in the past and is still going on at the present moment or whose results are still apparent.
Time expressions: for a month, since 2004, all night, How long...?
PAST PERFECT CONTINUOUS
Had + been + verb + -ing
Use: an action that continued for some time up to another past action.
Time expressions: for hours, since last March, all night, when, until, before.
MISTAKES OF FIRST TEST
GIVE A NOUN WITH THE SAME ROOT AS EXCELLENT: excellence
A PART OF HUMAN BODY WHERE BONES ARE CONNECTED: joints
PEOPLE SAY THAT HE IS A GOOD TRAINER: he is said to be a good trainer.
DIRECT SPEECH. "He told me not to do that again" . Don't do it again.
REPORTED SPEECH
STATEMENTS AND QUESTIONS
1. We move the verb back in time when the reporting verb is in the past.
2. We often add the word "that"
3. We change personal pronouns, time and place expressions. Ex.: these - those and yesterday - the day before.
4. In Yes / No questions, there is no subject-verb inversion.
5. In Yes / No questions, we begin the reported question with the words if or wheter.
ORDERS AND REQUESTS
6. In orders and requests, we use the infinitive.
7. In negative reported orders, we use not + infinitive.
SUGGESTIONS ("Let's ...")
8. The reporting verb can be followed by a gerund or that + subject + base form.
- MODALS (modal + infinitive)
|
MODALS |
USES |
|
Can |
Ability,
possibility |
|
Can’t |
Prohibition,
strong disbelief |
|
Be able to |
Ability,
possibility |
|
Must |
Obligation,
strong belief |
|
Mustn’t |
Prohibition |
|
Have to /
need to |
Necessity /
obligation |
|
Don’t have to
/ needn’t |
Lack of
necessity |
|
Should /
ought to |
Advice |
|
May / might |
Possibility |
|
May |
Permission,
polite request |
|
Could |
Past ability,
possibility, polite request |
- MODAL PERFECTS (modal + have + past participle)
|
MODAL PERFECTS |
USES |
|
Should have |
Criticism and
regret after an event |
|
Could have |
Ability to
have done something but in fact did not |
|
Couldn’t have |
Certainty
that something wasn’t true |
|
May / might
have |
Possibility
that something was true |
|
Must have |
Certainty
that something was true |
|
Would have |
Willingness (voluntad)
to have done something but in fact did not. |
- ZERO : Always. IF + PRESENT SIMPLE + PRESENT SIMPLE. If the water boils, it evaporates.
- FIRST : Probable situations. IF + PRESENT SIMPLE + WILL + INFINITIVE. If it doesnt`t rain, I will go to the cinema.
- SECOND: Unreal situations / Advice. IF + PAST SIMPLE + WOULD + INFINITIVE. If I won the lottery, I would buy a mansion. If I were you, I would speak with her.
- THIRD: Past situations / regrets. IF + PAST PERFECT + WOULD + HAVE + PAST PARTICIPLE. If you had invited me, I would have gone.
- Present simple: am/is/are + past participle
- Past simple: was/were + pp
- Present Perfect Simple: have/has + been + pp
- Past Perfect Simple: had + been + pp
- Present Continuous: am/is/are + being + pp
- Past Continuous: was/were + being + pp
- Future Simple: will + be + pp
- Modals: must/should/can + be + pp
- Modal Perfects: modal + have been + pp

Comentarios
Publicar un comentario