Present perfect tense negative exercise - Tenses exercises
Complete the negative sentences with the correct present perfect form of the verbs.
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sentence.
Third, despite claims otherwise, free trade
has
not
led
to upward harmonization of environmental law or practice.
(lead)
The public
has
not
appreciated
this and is not sufficiently aware of it.
(appreciate)
The OECD
has
not
assigned
rankings to countries.
(assign)
The MNRF
has
never
denied
an ESA permit to any applicant.
(deny)
Nina Cynthia Kiyindou Yombo, ATAMA Plantations
has
not
complied
with any of its commitments.
(comply)
She
has
not
signed
the documents yet, but I promise.
(sign)
I
have
never
liked
a girl enough to give her 12 sharp knives.
(like)
If you
have
never
pitched
a tent before, this is your chance.
(pitch)
Well, you must be letting go, because I
have
never
heard
you make a joke before.
(hear)
She set up a store last year, but she
has
not
showed
up lately.
(show)
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