Konjugation des englischen Verbs
CAN CONCENTRATE

Regelmäßiges Verb: concentrate - concentrated - concentrated

Bestätigung

Einfache Form	Form mit V-ing
I can concentrate you can concentrate he can concentrate we can concentrate you can concentrate they can concentrate	I can be concentrating you can be concentrating he can be concentrating we can be concentrating you can be concentrating they can be concentrating
Perfekt	Perfekt mit V-ing
I can have concentrated you can have concentrated he can have concentrated we can have concentrated you can have concentrated they can have concentrated	I can have been concentrating you can have been concentrating he can have been concentrating we can have been concentrating you can have been concentrating they can have been concentrating

Negation

Einfache Form	Form mit V-ing
I can't concentrate you can't concentrate he can't concentrate we can't concentrate you can't concentrate they can't concentrate	I can't be concentrating you can't be concentrating he can't be concentrating we can't be concentrating you can't be concentrating they can't be concentrating
Perfekt	Perfekt mit V-ing
I can't have concentrated you can't have concentrated he can't have concentrated we can't have concentrated you can't have concentrated they can't have concentrated	I can't have been concentrating you can't have been concentrating he can't have been concentrating we can't have been concentrating you can't have been concentrating they can't have been concentrating

Fragende Form

Einfache Form	Form mit V-ing
can I concentrate? can you concentrate? can he concentrate? can we concentrate? can you concentrate? can they concentrate?	can I be concentrating? can you be concentrating? can he be concentrating? can we be concentrating? can you be concentrating? can they be concentrating?
Perfekt	Perfekt mit V-ing
can I have concentrated? can you have concentrated? can he have concentrated? can we have concentrated? can you have concentrated? can they have concentrated?	can I have been concentrating? can you have been concentrating? can he have been concentrating? can we have been concentrating? can you have been concentrating? can they have been concentrating?

Fragende Negation Form

Einfache Form	Form mit V-ing
can't I concentrate? can't you concentrate? can't he concentrate? can't we concentrate? can't you concentrate? can't they concentrate?	can't I be concentrating? can't you be concentrating? can't he be concentrating? can't we be concentrating? can't you be concentrating? can't they be concentrating?
Perfekt	Perfekt mit V-ing
can't I have concentrated? can't you have concentrated? can't he have concentrated? can't we have concentrated? can't you have concentrated? can't they have concentrated?	can't I have been concentrating? can't you have been concentrating? can't he have been concentrating? can't we have been concentrating? can't you have been concentrating? can't they have been concentrating?