Experiences affirmative & negative
WWII is over
Tonight isn't over yet
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travel by train
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touch a dolphin
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have a different hairstyle
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act in a play
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swim in a lake
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skydive
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Present Perfect The actions are in the past The action has a result in the present Time is NOT mentioned/specified I have bought a new VR headset auxiliary verb have/has
past participle 3rd column
You don’t know when I bought the VR
3rd person He has bought a new VR headset auxiliary verb have/has
past participle 3rd column
In the 3rd person of the singular (he/she/it) the auxiliary verb is has
teacher Denise Moraes
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negative I have bought a new VR headset auxiliary verb have/has
past participle 3rd column
I have not bought a VR headset aux. verb have/has
not
past participle 3rd column
short form: haven’t I haven’t bought a VR headset have + not = haven’t
past participle 3rd column
3rd person He has bought a new VR headset auxiliary verb have/has
past participle 3rd column
He has not bought a VR headset aux. verb have/has
not
past participle 3rd column
short form: hasn’t He hasn’t bought a VR headset has + not = hasn’t
past participle 3rd column
You can also use never instead of not in negatives: I have never bought a VR He has never bought a VR
teacher Denise Moraes
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How to identify a regular verb
Regular verbs
1 It is added –ed, -d or –ied to the verb 2
Irregular verbs
past simple = past participle
Base form
Past simple
Past participle
be
was/were
been
buy
bought
bought
change
changed
changed
do
did
done
grow
grew
grown
have
had
had
know
knew
known
live
lived
lived
lose
lost
lost
make
made
made
meet
met
met
move
moved
moved
see
saw
seen
sell
sold
sold
sing
sang
sung
skydive
skydived
skydived
study
studied
studied
swim
swam
swum
travel
travelled
travelled
visit
visited
visited
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PRESENT PERFECT AFFIRMATIVE SINGULAR AFFIRMATIVE PLURAL I
have
We
have
You
have
You
have
He
has
She
has
It
has
played
played
They have
I have acted in a play They have swun in a lake We have travelled by train He has skydived recently You have had a different haircut She has touched a dolphin
PRESENT PERFECT NEGATIVE SINGULAR
NEGATIVE PLURAL
I
haven't
We
haven't
You
haven't
You
haven't
He
hasn't
She
hasn't
It
hasn't
played
played They haven't
I haven’t acted in a play They haven’t swun in a lake We haven’t travelled by train He hasn’t skydived recently You haven’t had a different haircut She hasn’t touched a dolphin
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Grammar Vocabulary Games Online classes
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