I could perceive you could perceive he could perceive we could perceive you could perceive they could perceive
Form mit V-ing
I could be perceiving you could be perceiving he could be perceiving we could be perceiving you could be perceiving they could be perceiving
Perfekt
I could have perceived you could have perceived he could have perceived we could have perceived you could have perceived they could have perceived
Perfekt mit V-ing
I could have been perceiving you could have been perceiving he could have been perceiving we could have been perceiving you could have been perceiving they could have been perceiving
Negation
Einfache Form
I couldn't perceive you couldn't perceive he couldn't perceive we couldn't perceive you couldn't perceive they couldn't perceive
Form mit V-ing
I couldn't be perceiving you couldn't be perceiving he couldn't be perceiving we couldn't be perceiving you couldn't be perceiving they couldn't be perceiving
Perfekt
I couldn't have perceived you couldn't have perceived he couldn't have perceived we couldn't have perceived you couldn't have perceived they couldn't have perceived
Perfekt mit V-ing
I couldn't have been perceiving you couldn't have been perceiving he couldn't have been perceiving we couldn't have been perceiving you couldn't have been perceiving they couldn't have been perceiving
Fragende Form
Einfache Form
could I perceive? could you perceive? could he perceive? could we perceive? could you perceive? could they perceive?
Form mit V-ing
could I be perceiving? could you be perceiving? could he be perceiving? could we be perceiving? could you be perceiving? could they be perceiving?
Perfekt
could I have perceived? could you have perceived? could he have perceived? could we have perceived? could you have perceived? could they have perceived?
Perfekt mit V-ing
could I have been perceiving? could you have been perceiving? could he have been perceiving? could we have been perceiving? could you have been perceiving? could they have been perceiving?
Fragende Negation Form
Einfache Form
couldn't I perceive? couldn't you perceive? couldn't he perceive? couldn't we perceive? couldn't you perceive? couldn't they perceive?
Form mit V-ing
couldn't I be perceiving? couldn't you be perceiving? couldn't he be perceiving? couldn't we be perceiving? couldn't you be perceiving? couldn't they be perceiving?
Perfekt
couldn't I have perceived? couldn't you have perceived? couldn't he have perceived? couldn't we have perceived? couldn't you have perceived? couldn't they have perceived?
Perfekt mit V-ing
couldn't I have been perceiving? couldn't you have been perceiving? couldn't he have been perceiving? couldn't we have been perceiving? couldn't you have been perceiving? couldn't they have been perceiving?