can overconcern
Regular verb: overconcern - overconcerned- overconcerned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can overconcern
you can overconcern
he can overconcern
we can overconcern
you can overconcern
they can overconcern 	I can be overconcerning
you can be overconcerning
he can be overconcerning
we can be overconcerning
you can be overconcerning
they can be overconcerning	I can have overconcerned
you can have overconcerned
he can have overconcerned
we can have overconcerned
you can have overconcerned
they can have overconcerned	I can have been overconcerning
you can have been overconcerning
he can have been overconcerning
we can have been overconcerning
you can have been overconcerning
they can have been overconcerning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot overconcern
you cannot overconcern
he cannot overconcern
we cannot overconcern
you cannot overconcern
they cannot overconcern 	I cannot be overconcerning
you cannot be overconcerning
he cannot be overconcerning
we cannot be overconcerning
you cannot be overconcerning
they cannot be overconcerning	I cannot have overconcerned
you cannot have overconcerned
he cannot have overconcerned
we cannot have overconcerned
you cannot have overconcerned
they cannot have overconcerned	I cannot have been overconcerning
you cannot have been overconcerning
he cannot have been overconcerning
we cannot have been overconcerning
you cannot have been overconcerning
they cannot have been overconcerning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I overconcern?
can you overconcern?
can he overconcern?
can we overconcern?
can you overconcern?
can they overconcern? 	can I be overconcerning?
can you be overconcerning?
can he be overconcerning?
can we be overconcerning?
can you be overconcerning?
can they be overconcerning? 	can I have overconcerned?
can you have overconcerned?
can he have overconcerned?
can we have overconcerned?
can you have overconcerned?
can they have overconcerned? 	can I have been overconcerning?
can you have been overconcerning?
can he have been overconcerning?
can we have been overconcerning?
can you have been overconcerning?
can they have been overconcerning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not overconcern?
can you not overconcern?
can he not overconcern?
can we not overconcern?
can you not overconcern?
can they not overconcern? 	can I not be overconcerning?
can you not be overconcerning?
can he not be overconcerning?
can we not be overconcerning?
can you not be overconcerning?
can they not be overconcerning? 	can I not have overconcerned?
can you not have overconcerned?
can he not have overconcerned?
can we not have overconcerned?
can you not have overconcerned?
can they not have overconcerned? 	can I not have been overconcerning?
can you not have been overconcerning?
can he not have been overconcerning?
can we not have been overconcerning?
can you not have been overconcerning?
can they not have been overconcerning?