Konjugation des englischen Verbs
CAN TIGHTEN

Regelmäßiges Verb: tighten - tightened - tightened

Bestätigung

Einfache Form	Form mit V-ing
I can tighten you can tighten she can tighten we can tighten you can tighten they can tighten	I can be tightening you can be tightening she can be tightening we can be tightening you can be tightening they can be tightening
Perfekt	Perfekt mit V-ing
I can have tightened you can have tightened she can have tightened we can have tightened you can have tightened they can have tightened	I can have been tightening you can have been tightening she can have been tightening we can have been tightening you can have been tightening they can have been tightening

Negation

Einfache Form	Form mit V-ing
I cannot tighten you cannot tighten she cannot tighten we cannot tighten you cannot tighten they cannot tighten	I cannot be tightening you cannot be tightening she cannot be tightening we cannot be tightening you cannot be tightening they cannot be tightening
Perfekt	Perfekt mit V-ing
I cannot have tightened you cannot have tightened she cannot have tightened we cannot have tightened you cannot have tightened they cannot have tightened	I cannot have been tightening you cannot have been tightening she cannot have been tightening we cannot have been tightening you cannot have been tightening they cannot have been tightening

Fragende Form

Einfache Form	Form mit V-ing
can I tighten? can you tighten? can she tighten? can we tighten? can you tighten? can they tighten?	can I be tightening? can you be tightening? can she be tightening? can we be tightening? can you be tightening? can they be tightening?
Perfekt	Perfekt mit V-ing
can I have tightened? can you have tightened? can she have tightened? can we have tightened? can you have tightened? can they have tightened?	can I have been tightening? can you have been tightening? can she have been tightening? can we have been tightening? can you have been tightening? can they have been tightening?

Fragende Negation Form

Einfache Form	Form mit V-ing
can I not tighten? can you not tighten? can she not tighten? can we not tighten? can you not tighten? can they not tighten?	can I not be tightening? can you not be tightening? can she not be tightening? can we not be tightening? can you not be tightening? can they not be tightening?
Perfekt	Perfekt mit V-ing
can I not have tightened? can you not have tightened? can she not have tightened? can we not have tightened? can you not have tightened? can they not have tightened?	can I not have been tightening? can you not have been tightening? can she not have been tightening? can we not have been tightening? can you not have been tightening? can they not have been tightening?