to concern
Verbo regular: concern - concerned- concerned

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
I do not concern
you do not concern
she doesnot concern
we do not concern
you do not concern
they do not concern 	Iamnot concerning
youarenot concerning
sheisnot concerning
wearenot concerning
youarenot concerning
theyarenot concerning	I did not concern
you did not concern
she did not concern
we did not concern
you did not concern
they did not concern 	Iwasnot concerning
youwerenot concerning
shewasnot concerning
wewerenot concerning
youwerenot concerning
theywerenot concerning	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
I have not concerned
you have not concerned
shehasnot concerned
we have not concerned
you have not concerned
they have not concerned	I have not  been concerning
you have not  been concerning
shehasnot  been concerning
we have not  been concerning
you have not  been concerning
they have not  been concerning	I had not concerned
you had not concerned
she had not concerned
we had not concerned
you had not concerned
they had not concerned	I had not been concerning
you had not been concerning
she had not been concerning
we had not been concerning
you had not been concerning
they had not been concerning	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
I will not concern
you will not concern
she will not concern
we will not concern
you will not concern
they will not concern 	I will not be concerning
you will not be concerning
she will not be concerning
we will not be concerning
you will not be concerning
they will not be concerning	I will not have concerned
you will not have concerned
she will not have concerned
we will not have concerned
you will not have concerned
they will not have concerned	I will not have been concerning
you will not have been concerning
she will not have been concerning
we will not have been concerning
you will not have been concerning
they will not have been concerning	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
I would not concern
you would not concern
she would not concern
we would not concern
you would not concern
they would not concern 	I would not be concerning
you would not be concerning
she would not be concerning
we would not be concerning
you would not be concerning
they would not be concerning	I would not have concerned
you would not have concerned
she would not have concerned
we would not have concerned
you would not have concerned
they would not have concerned	I would not have been concerning
you would not have been concerning
she would not have been concerning
we would not have been concerning
you would not have been concerning
they would not have been concerning	

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

Particípio 	
Presente 	Passado 	 	 	
concerning	concerned