Showing posts with label verbs. Show all posts
Showing posts with label verbs. Show all posts

Modals: The Modal Perfect

No obligation
needn't have

Advice
should have
ought to have

Ability
could have

Possibility
could have

Deduction
must have
may have
might have
can't have

Modals

Modals
can, be able to, could, may, might, must, have to, need to, don't have to, should, ought to, had better, will, shall, needn't

Synonyms
manage to (ability)
be allowed to / allow to (permission)

Characteristics
- 3rd person singular without -s
- after a modal: infinitive without to
- questions without do
- no -ing (no progressive form)
- they don't have all the tenses
    can: only present
    could: only past, conditional
    must: only present
    have to: present, past, future

Obligation
Present: have to, must, need to
Past: had to, needed to

No obligation
Present: don't have to, don't need to, needn't
Past: didn't have to, didn't need to

Permission
can, may, could, be allowed to / allow to
(formal: may, could)

Advice
should, ought to, had better

Ability
can, could, be able to, manage to

Possibility
can, could, be able to

Deduction
must, may, might, can't
(nowadays synonyms: may, might)

Prohibition
musstn't, not allow to / not be allowed to

Suggestions and offers
shall

Requests
will, can, could


be able to forms
Present: I am able to ...
Past: I was able to ...
Future: I'll be able to ...
Present Perfect: I have been able to ...
Infinitive: I'd like to be able to ...
Gerund: I love being able to ...
Going to: I'm going to be able to ...

Present Perfect Simple / Present Perfect Continuous

Present Perfect Simple

USE
- past action continues to the present
- completed past action still important in the present

IE
[+] He has visited his uncle
[-] He hasn't visited my his uncle
[?] Has he visited his uncle?

COMMON WORDS
- since, for
- already, yet, ever, just
- How long ... ?

Present Perfect Simple (2)

USE
- result of an action
- how many times an action happens
COMMON WORDS
- How many ... ?  ( result )

Present Perfect Continuous

USE
- process and duration of an action
- an action has either finished very recently or is incomplete
   (if you can see the effects of the recent action)

IE
[+] He has been writing a letter
[-] He hasn't been writing a letter
[?] Has he been writing a letter?

COMMON WORDS
- How long ... ?   ( action ) (hasta ahora, y todavía continúo)
- waiting for

Future


Present Continuous

USE
- Future plans

IE
I'm having dinner with some friends this evening
I'm going to have dinner with some friends this evening

Going to

USE
- Future plans [1]
- Future result from evidence [2]

IE
[1] I'm going to the party tonight
[2] Look at that child. She's going to fall!

Will

USE
- Predictions (w/o evidence) [1]
- Spontaneous decisions [2]
- Promises [3]
- Offers [4]
- 1st conditional [5]
- Clauses of time
- Facts [7]


IE
[1] I think Ruth will pass her exams without much difficulty
[2] Todays is Ann's birthday. I'll phone her now
[3] I won't do it again
[4] I'm thirsty / I'll get you a drink from that bar
[5] If it is nice we will go out for a walk
[6]When I see John I will tell him you've been here
[7] In the year 2020 there won't be enough food for everybody

Past Perfect

Past Perfect

USE
- past action before another past action [1]
- before a specific time in the past [2]

IE
[+] He had painted the room..
[-] I had not painted the room..
[?] Had I painted the room.. ?

[1] After he had done the homework he watched TV
[1] I had painted the room when she came in
[2] Yesterday by 9 o'clock I had finished my homework

COMMON WORDS
- by, by the time, before, after, just, when

COMPARISON

Present Simple - Present Perfect
IE: Her sister is not at home now. She has gone to school

Past Simple - Past Perfect
Her sister was not at home yesterday. She had gone to school

Past Simple / Past Continuous

Past Simple

USE
- a complet action in the past

IE
[+] He watched TV yesterday
[-] He didn't watch TV yesterday
[?] Did he watch TV yesterday?

COMMON WORDS
- yesterday, ago, last

Past Continuous

USE
- past action interrupted [1]
- actions happening at the same time [2]
- to show what was happening at a specific moment in the past [3]

IE
[+] He was watching TV
[-] He wasn't watching TV
[?] Was he watching TV?

[1] I was reading a book when the telephone rang
[2] While Peter was playing footall, Jane was playing basketball
[3] I was listening to music at 7 o'clock

COMMON WORDS
- while, as
- specific time

Present Simple / Present Continuous

Present Simple

USE
- regular habits
- always true
- stative verbs

IE
[+] He plays
[-] He doesn't play
[?] Does he play?

COMMON WORDS
- adverbs of frequency

Present Continuous

USE
- things that are happening now
- future arrangements

IE
[+] He is playing
[-] He is not playing
[?] Is he playing?

Stative Verbs

Stative verbs

- only go in the present simple form (NO continuous)

love, like, enjoy, hate, prefer, want
think, remember, doubt, understand, know, believe
own
appear, be, belong to
have (possesion)
included, need
see, seem, taste
agree, depend, hear, matter, mean, need, realize, suppose, recognize, contain, forget

Stative and dynamic verbs

- with a different meaning

be, have, feel, love, see, smell, think

IE
I have a car (state verb)
I'm having a good time (dynamic verb)

I think Sarah is not telling the truth (state verb)
I'm thiking (considering) of going on holiday (dynamic verb)

say vs tell

say something to you
say to you something
tell you something

tell sb
say to sb
explain to sb