to happen
Verbo regolare: happen - happened- happened

Indicativo 	
Presente 	Presente continuo 	Preterito 	Preterite continua 	
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doesit happen?
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isit happening?
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did it happen?
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wasit happening?
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Presente perfetto 	Presente perfetto continuo 	Piuccheperfetto 	Piuccheperfetto continuo 	
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hasit happened?
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hasit been happening?
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had it happened?
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had it been happening?
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Futuro semplice 	Futuro continuo 	Futuro anteriore 	Futuro anteriore contínuo 	
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 will it happen?
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 will it be happening?
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 will it have happened?
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 will it have been happening?
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Condizionale 	
Presente 	Presente continuo 	Passato 	Passato continuo 	
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 would it happen?
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 would it be happening?
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 would it have happened?
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 would it have been happening?
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Infinito 	
Imperativo 	
Infinito 	 	Imperativo 	 	
to happen 	 	-
-
- 	 	

Participio 	
Presente 	Passato 	 	 	
happening	happened