can trouble
Verbo regolare: trouble - troubled- troubled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can trouble
you can trouble
he can trouble
we can trouble
you can trouble
they can trouble 	I can be troubling
you can be troubling
he can be troubling
we can be troubling
you can be troubling
they can be troubling	I can have troubled
you can have troubled
he can have troubled
we can have troubled
you can have troubled
they can have troubled	I can have been troubling
you can have been troubling
he can have been troubling
we can have been troubling
you can have been troubling
they can have been troubling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't trouble
you can't trouble
he can't trouble
we can't trouble
you can't trouble
they can't trouble 	I can't be troubling
you can't be troubling
he can't be troubling
we can't be troubling
you can't be troubling
they can't be troubling	I can't have troubled
you can't have troubled
he can't have troubled
we can't have troubled
you can't have troubled
they can't have troubled	I can't have been troubling
you can't have been troubling
he can't have been troubling
we can't have been troubling
you can't have been troubling
they can't have been troubling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I trouble?
can you trouble?
can he trouble?
can we trouble?
can you trouble?
can they trouble? 	can I be troubling?
can you be troubling?
can he be troubling?
can we be troubling?
can you be troubling?
can they be troubling? 	can I have troubled?
can you have troubled?
can he have troubled?
can we have troubled?
can you have troubled?
can they have troubled? 	can I have been troubling?
can you have been troubling?
can he have been troubling?
can we have been troubling?
can you have been troubling?
can they have been troubling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I trouble?
can't you trouble?
can't he trouble?
can't we trouble?
can't you trouble?
can't they trouble? 	can't I be troubling?
can't you be troubling?
can't he be troubling?
can't we be troubling?
can't you be troubling?
can't they be troubling? 	can't I have troubled?
can't you have troubled?
can't he have troubled?
can't we have troubled?
can't you have troubled?
can't they have troubled? 	can't I have been troubling?
can't you have been troubling?
can't he have been troubling?
can't we have been troubling?
can't you have been troubling?
can't they have been troubling?