I can execute you can execute she can execute we can execute you can execute they can execute
Forma con V-ing
I can be executing you can be executing she can be executing we can be executing you can be executing they can be executing
Perfecto
I can have executed you can have executed she can have executed we can have executed you can have executed they can have executed
Perfecto con V-ing
I can have been executing you can have been executing she can have been executing we can have been executing you can have been executing they can have been executing
Negación
Forma simple
I can't execute you can't execute she can't execute we can't execute you can't execute they can't execute
Forma con V-ing
I can't be executing you can't be executing she can't be executing we can't be executing you can't be executing they can't be executing
Perfecto
I can't have executed you can't have executed she can't have executed we can't have executed you can't have executed they can't have executed
Perfecto con V-ing
I can't have been executing you can't have been executing she can't have been executing we can't have been executing you can't have been executing they can't have been executing
Forma interrogativa
Forma simple
can I execute? can you execute? can she execute? can we execute? can you execute? can they execute?
Forma con V-ing
can I be executing? can you be executing? can she be executing? can we be executing? can you be executing? can they be executing?
Perfecto
can I have executed? can you have executed? can she have executed? can we have executed? can you have executed? can they have executed?
Perfecto con V-ing
can I have been executing? can you have been executing? can she have been executing? can we have been executing? can you have been executing? can they have been executing?
Forma interro-negativa
Forma simple
can't I execute? can't you execute? can't she execute? can't we execute? can't you execute? can't they execute?
Forma con V-ing
can't I be executing? can't you be executing? can't she be executing? can't we be executing? can't you be executing? can't they be executing?
Perfecto
can't I have executed? can't you have executed? can't she have executed? can't we have executed? can't you have executed? can't they have executed?
Perfecto con V-ing
can't I have been executing? can't you have been executing? can't she have been executing? can't we have been executing? can't you have been executing? can't they have been executing?