I can clutch you can clutch he can clutch we can clutch you can clutch they can clutch
Forma con V-ing
I can be clutching you can be clutching he can be clutching we can be clutching you can be clutching they can be clutching
Perfecto
I can have clutched you can have clutched he can have clutched we can have clutched you can have clutched they can have clutched
Perfecto con V-ing
I can have been clutching you can have been clutching he can have been clutching we can have been clutching you can have been clutching they can have been clutching
Negación
Forma simple
I cannot clutch you cannot clutch he cannot clutch we cannot clutch you cannot clutch they cannot clutch
Forma con V-ing
I cannot be clutching you cannot be clutching he cannot be clutching we cannot be clutching you cannot be clutching they cannot be clutching
Perfecto
I cannot have clutched you cannot have clutched he cannot have clutched we cannot have clutched you cannot have clutched they cannot have clutched
Perfecto con V-ing
I cannot have been clutching you cannot have been clutching he cannot have been clutching we cannot have been clutching you cannot have been clutching they cannot have been clutching
Forma interrogativa
Forma simple
can I clutch? can you clutch? can he clutch? can we clutch? can you clutch? can they clutch?
Forma con V-ing
can I be clutching? can you be clutching? can he be clutching? can we be clutching? can you be clutching? can they be clutching?
Perfecto
can I have clutched? can you have clutched? can he have clutched? can we have clutched? can you have clutched? can they have clutched?
Perfecto con V-ing
can I have been clutching? can you have been clutching? can he have been clutching? can we have been clutching? can you have been clutching? can they have been clutching?
Forma interro-negativa
Forma simple
can I not clutch? can you not clutch? can he not clutch? can we not clutch? can you not clutch? can they not clutch?
Forma con V-ing
can I not be clutching? can you not be clutching? can he not be clutching? can we not be clutching? can you not be clutching? can they not be clutching?
Perfecto
can I not have clutched? can you not have clutched? can he not have clutched? can we not have clutched? can you not have clutched? can they not have clutched?
Perfecto con V-ing
can I not have been clutching? can you not have been clutching? can he not have been clutching? can we not have been clutching? can you not have been clutching? can they not have been clutching?