to concern
Verbo regular: concern - concerned- concerned

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
I don't concern
you don't concern
she doesn't concern
we don't concern
you don't concern
they don't concern 	I'mnot concerning
youaren't concerning
sheisn't concerning
wearen't concerning
youaren't concerning
theyaren't concerning	I didn't concern
you didn't concern
she didn't concern
we didn't concern
you didn't concern
they didn't concern 	Iwasn't concerning
youweren't concerning
shewasn't concerning
weweren't concerning
youweren't concerning
theyweren't concerning	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
I haven't concerned
you haven't concerned
she hasn't concerned
we haven't concerned
you haven't concerned
they haven't concerned	I haven't  been concerning
you haven't  been concerning
she hasn't  been concerning
we haven't  been concerning
you haven't  been concerning
they haven't  been concerning	I hadn't concerned
you hadn't concerned
she hadn't concerned
we hadn't concerned
you hadn't concerned
they hadn't concerned	I hadn't been concerning
you hadn't been concerning
she hadn't been concerning
we hadn't been concerning
you hadn't been concerning
they hadn't been concerning	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
I won't concern
you won't concern
she won't concern
we won't concern
you won't concern
they won't concern 	I won't be concerning
you won't be concerning
she won't be concerning
we won't be concerning
you won't be concerning
they won't be concerning	I won't have concerned
you won't have concerned
she won't have concerned
we won't have concerned
you won't have concerned
they won't have concerned	I won't have been concerning
you won't have been concerning
she won't have been concerning
we won't have been concerning
you won't have been concerning
they won't have been concerning	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
I wouldn't concern
you wouldn't concern
she wouldn't concern
we wouldn't concern
you wouldn't concern
they wouldn't concern 	I wouldn't be concerning
you wouldn't be concerning
she wouldn't be concerning
we wouldn't be concerning
you wouldn't be concerning
they wouldn't be concerning	I wouldn't have concerned
you wouldn't have concerned
she wouldn't have concerned
we wouldn't have concerned
you wouldn't have concerned
they wouldn't have concerned	I wouldn't have been concerning
you wouldn't have been concerning
she wouldn't have been concerning
we wouldn't have been concerning
you wouldn't have been concerning
they wouldn't have been concerning	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to concern 	 	do not concern
Let's not concern
do not concern 	 	

Particípio 	
Presente 	Passado 	 	 	
concerning	concerned