The Conjugator
Coniugazione del verbo inglese
CAN HAPPEN

Verbo regolare: happen - happened - happened

Affermazione

Forma semplice

Forma con V-ing

-
-
it can happen
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-
-		-
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it can be happening
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-
-

Perfetto

Perfetto con V-ing

-
-
it can have happened
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-
-		-
-
it can have been happening
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-
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Negazione

Forma semplice

Forma con V-ing

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-
it cannot happen
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-
-		-
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it cannot be happening
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-
-

Perfetto

Perfetto con V-ing

-
-
it cannot have happened
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-
-		-
-
it cannot have been happening
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-
-

Forma interrogativa

Forma semplice

Forma con V-ing

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-
can it happen?
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-
-		-
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can it be happening?
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-
-

Perfetto

Perfetto con V-ing

-
-
can it have happened?
-
-
-		-
-
can it have been happening?
-
-
-

Forma interro-negativa

Forma semplice

Forma con V-ing

-
-
can it not happen?
-
-
-		-
-
can it not be happening?
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-
-

Perfetto

Perfetto con V-ing

-
-
can it not have happened?
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-
-		-
-
can it not have been happening?
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-
-