to concenter
Regular verb: concenter - concentered- concentered

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I concenter
you concenter
he concenters
we concenter
you concenter
they concenter 	Iamconcentering
youareconcentering
heisconcentering
weareconcentering
youareconcentering
theyareconcentering	I concentered
you concentered
he concentered
we concentered
you concentered
they concentered	Iwasconcentering
youwereconcentering
hewasconcentering
wewereconcentering
youwereconcentering
theywereconcentering	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have concentered
you have concentered
he has concentered
we have concentered
you have concentered
they have concentered	I have been concentering
you have been concentering
hehasbeen concentering
we have been concentering
you have been concentering
they have been concentering	I had concentered
you had concentered
he had concentered
we had concentered
you had concentered
they had concentered	I had been concentering
you had been concentering
he had been concentering
we had been concentering
you had been concentering
they had been concentering	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will concenter
you will concenter
he will concenter
we will concenter
you will concenter
they will concenter 	I will be concentering
you will be concentering
he will be concentering
we will be concentering
you will be concentering
they will be concentering	I will have concentered
you will have concentered
he will have concentered
we will have concentered
you will have concentered
they will have concentered	I will have been concentering
you will have been concentering
he will have been concentering
we will have been concentering
you will have been concentering
they will have been concentering	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would concenter
you would concenter
he would concenter
we would concenter
you would concenter
they would concenter 	I would be concentering
you would be concentering
he would be concentering
we would be concentering
you would be concentering
they would be concentering	I would have concentered
you would have concentered
he would have concentered
we would have concentered
you would have concentered
they would have concentered	I would have been concentering
you would have been concentering
he would have been concentering
we would have been concentering
you would have been concentering
they would have been concentering	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to concenter 	 	concenter
Let's concenter
concenter 	 	

Participle 	
Present 	Past 	 	 	
concentering	concentered