to understand
Verbo irregular: understand - understood- understood

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
 do I not understand?
do you not understand?
doeshe not understand?
do we not understand?
do you not understand?
do they not understand? 	amI not understanding?
areyou not understanding?
ishe not understanding?
arewe not understanding?
areyou not understanding?
arethey not understanding? 	did I not understand?
did you not understand?
did he not understand?
did we not understand?
did you not understand?
did they not understand? 	wasI not understanding?
wereyou not understanding?
washe not understanding?
werewe not understanding?
wereyou not understanding?
werethey not understanding? 	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
 have I not understood?
have you not understood?
hashe not understood?
have we not understood?
have you not understood?
have they not understood? 	 have I not been understanding?
have you not been understanding?
hashe not been understanding?
have we not been understanding?
have you not been understanding?
have they not been understanding? 	had I not understood?
had you not understood?
had he not understood?
had we not understood?
had you not understood?
had they not understood? 	had I not been understanding?
had you not been understanding?
had he not been understanding?
had we not been understanding?
had you not been understanding?
had they not been understanding? 	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
will I not understand?
will you not understand?
will he not understand?
will we not understand?
will you not understand?
will they not understand? 	will I not be understanding?
will you not be understanding?
will he not be understanding?
will we not be understanding?
will you not be understanding?
will they not be understanding? 	will I not have understood?
will you not have understood?
will he not have understood?
will we not have understood?
will you not have understood?
will they not have understood? 	will I not have been understanding?
will you not have been understanding?
will he not have been understanding?
will we not have been understanding?
will you not have been understanding?
will they not have been understanding? 	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
would I not understand?
would you not understand?
would he not understand?
would we not understand?
would you not understand?
would they not understand? 	would I not be understanding?
would you not be understanding?
would he not be understanding?
would we not be understanding?
would you not be understanding?
would they not be understanding? 	would I not have understood?
would you not have understood?
would he not have understood?
would we not have understood?
would you not have understood?
would they not have understood? 	would I not have been understanding?
would you not have been understanding?
would he not have been understanding?
would we not have been understanding?
would you not have been understanding?
would they not have been understanding? 	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to understand 	 	-
-
- 	 	

Particípio 	
Presente 	Passado 	 	 	
understanding	understood