I can serve you can serve he can serve we can serve you can serve they can serve
Form mit V-ing
I can be serving you can be serving he can be serving we can be serving you can be serving they can be serving
Perfekt
I can have served you can have served he can have served we can have served you can have served they can have served
Perfekt mit V-ing
I can have been serving you can have been serving he can have been serving we can have been serving you can have been serving they can have been serving
Negation
Einfache Form
I can't serve you can't serve he can't serve we can't serve you can't serve they can't serve
Form mit V-ing
I can't be serving you can't be serving he can't be serving we can't be serving you can't be serving they can't be serving
Perfekt
I can't have served you can't have served he can't have served we can't have served you can't have served they can't have served
Perfekt mit V-ing
I can't have been serving you can't have been serving he can't have been serving we can't have been serving you can't have been serving they can't have been serving
Fragende Form
Einfache Form
can I serve? can you serve? can he serve? can we serve? can you serve? can they serve?
Form mit V-ing
can I be serving? can you be serving? can he be serving? can we be serving? can you be serving? can they be serving?
Perfekt
can I have served? can you have served? can he have served? can we have served? can you have served? can they have served?
Perfekt mit V-ing
can I have been serving? can you have been serving? can he have been serving? can we have been serving? can you have been serving? can they have been serving?
Fragende Negation Form
Einfache Form
can't I serve? can't you serve? can't he serve? can't we serve? can't you serve? can't they serve?
Form mit V-ing
can't I be serving? can't you be serving? can't he be serving? can't we be serving? can't you be serving? can't they be serving?
Perfekt
can't I have served? can't you have served? can't he have served? can't we have served? can't you have served? can't they have served?
Perfekt mit V-ing
can't I have been serving? can't you have been serving? can't he have been serving? can't we have been serving? can't you have been serving? can't they have been serving?