to concern
Verbo regolare: concern - concerned- concerned

Indicativo 	
Presente 	Presente continuo 	Preterito 	Preterite continua 	
I concern
you concern
he concerns
we concern
you concern
they concern 	I'mconcerning
you'reconcerning
he'sconcerning
we'reconcerning
you'reconcerning
they'reconcerning	I concerned
you concerned
he concerned
we concerned
you concerned
they concerned	Iwasconcerning
youwereconcerning
hewasconcerning
wewereconcerning
youwereconcerning
theywereconcerning	
Presente perfetto 	Presente perfetto continuo 	Piuccheperfetto 	Piuccheperfetto continuo 	
I've concerned
you've concerned
he's concerned
we've concerned
you've concerned
they've concerned	I'vebeen concerning
you'vebeen concerning
he'sbeen concerning
we'vebeen concerning
you'vebeen concerning
they'vebeen concerning	I'd concerned
you'd concerned
he'd concerned
we'd concerned
you'd concerned
they'd concerned	I'd been concerning
you'd been concerning
he'd been concerning
we'd been concerning
you'd been concerning
they'd been concerning	
Futuro semplice 	Futuro continuo 	Futuro anteriore 	Futuro anteriore contínuo 	
I'll concern
you'll concern
he'll concern
we'll concern
you'll concern
they'll concern 	I'll be concerning
you'll be concerning
he'll be concerning
we'll be concerning
you'll be concerning
they'll be concerning	I'll have concerned
you'll have concerned
he'll have concerned
we'll have concerned
you'll have concerned
they'll have concerned	I'll have been concerning
you'll have been concerning
he'll have been concerning
we'll have been concerning
you'll have been concerning
they'll have been concerning	

Condizionale 	
Presente 	Presente continuo 	Passato 	Passato continuo 	
I'd concern
you'd concern
he'd concern
we'd concern
you'd concern
they'd concern 	I'd be concerning
you'd be concerning
he'd be concerning
we'd be concerning
you'd be concerning
they'd be concerning	I'd have concerned
you'd have concerned
he'd have concerned
we'd have concerned
you'd have concerned
they'd have concerned	I'd have been concerning
you'd have been concerning
he'd have been concerning
we'd have been concerning
you'd have been concerning
they'd have been concerning	

Infinito 	
Imperativo 	
Infinito 	 	Imperativo 	 	
to concern 	 	concern
Let's concern
concern 	 	

Participio 	
Presente 	Passato 	 	 	
concerning	concerned