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77
Describing experiences
Uses:
You use the present perfect with time expressions:
since
,
for
,
never
,
ever
,
already
,
yet
.
1. Activities that started in the past and continue in the present;
for
and
since
are common
with this use.
Examples:
for
: indicates a period of time.
• We have learned English
for
3 years.
since
: indicates a point in time when action started.
• We have learned English
since
2011.
Short Form:
Haven´t / hasn´t + past participle
Negative Form:
She has not been in Veracruz.
Interrogative Form:
Have we learned English?
Subject + aux. verb (negative) + past participle + complement
She
has not
been
in Veracruz.
Aux. verb + subject +past participle + complement + question mark
Have
we
learned
English
?
For
A period of time
(from start to end)
Since
A point of time as reference
(Up to now)
for 10 minutes
for 5 hours
for a day
for 2 weeks
for 3 years
for a long time
for ever
since 5 o´clock
since Wednesday
since April
since 2006
since 2010
since I left Mexico
since the beginning of the time
Use: in all tenses
Use: in present perfect tenses
only