I could tighten you could tighten he could tighten we could tighten you could tighten they could tighten
Form mit V-ing
I could be tightening you could be tightening he could be tightening we could be tightening you could be tightening they could be tightening
Perfekt
I could have tightened you could have tightened he could have tightened we could have tightened you could have tightened they could have tightened
Perfekt mit V-ing
I could have been tightening you could have been tightening he could have been tightening we could have been tightening you could have been tightening they could have been tightening
Negation
Einfache Form
I couldn't tighten you couldn't tighten he couldn't tighten we couldn't tighten you couldn't tighten they couldn't tighten
Form mit V-ing
I couldn't be tightening you couldn't be tightening he couldn't be tightening we couldn't be tightening you couldn't be tightening they couldn't be tightening
Perfekt
I couldn't have tightened you couldn't have tightened he couldn't have tightened we couldn't have tightened you couldn't have tightened they couldn't have tightened
Perfekt mit V-ing
I couldn't have been tightening you couldn't have been tightening he couldn't have been tightening we couldn't have been tightening you couldn't have been tightening they couldn't have been tightening
Fragende Form
Einfache Form
could I tighten? could you tighten? could he tighten? could we tighten? could you tighten? could they tighten?
Form mit V-ing
could I be tightening? could you be tightening? could he be tightening? could we be tightening? could you be tightening? could they be tightening?
Perfekt
could I have tightened? could you have tightened? could he have tightened? could we have tightened? could you have tightened? could they have tightened?
Perfekt mit V-ing
could I have been tightening? could you have been tightening? could he have been tightening? could we have been tightening? could you have been tightening? could they have been tightening?
Fragende Negation Form
Einfache Form
couldn't I tighten? couldn't you tighten? couldn't he tighten? couldn't we tighten? couldn't you tighten? couldn't they tighten?
Form mit V-ing
couldn't I be tightening? couldn't you be tightening? couldn't he be tightening? couldn't we be tightening? couldn't you be tightening? couldn't they be tightening?
Perfekt
couldn't I have tightened? couldn't you have tightened? couldn't he have tightened? couldn't we have tightened? couldn't you have tightened? couldn't they have tightened?
Perfekt mit V-ing
couldn't I have been tightening? couldn't you have been tightening? couldn't he have been tightening? couldn't we have been tightening? couldn't you have been tightening? couldn't they have been tightening?