I can investigate you can investigate she can investigate we can investigate you can investigate they can investigate
Form mit V-ing
I can be investigating you can be investigating she can be investigating we can be investigating you can be investigating they can be investigating
Perfekt
I can have investigated you can have investigated she can have investigated we can have investigated you can have investigated they can have investigated
Perfekt mit V-ing
I can have been investigating you can have been investigating she can have been investigating we can have been investigating you can have been investigating they can have been investigating
Negation
Einfache Form
I can't investigate you can't investigate she can't investigate we can't investigate you can't investigate they can't investigate
Form mit V-ing
I can't be investigating you can't be investigating she can't be investigating we can't be investigating you can't be investigating they can't be investigating
Perfekt
I can't have investigated you can't have investigated she can't have investigated we can't have investigated you can't have investigated they can't have investigated
Perfekt mit V-ing
I can't have been investigating you can't have been investigating she can't have been investigating we can't have been investigating you can't have been investigating they can't have been investigating
Fragende Form
Einfache Form
can I investigate? can you investigate? can she investigate? can we investigate? can you investigate? can they investigate?
Form mit V-ing
can I be investigating? can you be investigating? can she be investigating? can we be investigating? can you be investigating? can they be investigating?
Perfekt
can I have investigated? can you have investigated? can she have investigated? can we have investigated? can you have investigated? can they have investigated?
Perfekt mit V-ing
can I have been investigating? can you have been investigating? can she have been investigating? can we have been investigating? can you have been investigating? can they have been investigating?
Fragende Negation Form
Einfache Form
can't I investigate? can't you investigate? can't she investigate? can't we investigate? can't you investigate? can't they investigate?
Form mit V-ing
can't I be investigating? can't you be investigating? can't she be investigating? can't we be investigating? can't you be investigating? can't they be investigating?
Perfekt
can't I have investigated? can't you have investigated? can't she have investigated? can't we have investigated? can't you have investigated? can't they have investigated?
Perfekt mit V-ing
can't I have been investigating? can't you have been investigating? can't she have been investigating? can't we have been investigating? can't you have been investigating? can't they have been investigating?