I can crash you can crash he can crash we can crash you can crash they can crash
Forma con V-ing
I can be crashing you can be crashing he can be crashing we can be crashing you can be crashing they can be crashing
Perfecto
I can have crashed you can have crashed he can have crashed we can have crashed you can have crashed they can have crashed
Perfecto con V-ing
I can have been crashing you can have been crashing he can have been crashing we can have been crashing you can have been crashing they can have been crashing
Negación
Forma simple
I can't crash you can't crash he can't crash we can't crash you can't crash they can't crash
Forma con V-ing
I can't be crashing you can't be crashing he can't be crashing we can't be crashing you can't be crashing they can't be crashing
Perfecto
I can't have crashed you can't have crashed he can't have crashed we can't have crashed you can't have crashed they can't have crashed
Perfecto con V-ing
I can't have been crashing you can't have been crashing he can't have been crashing we can't have been crashing you can't have been crashing they can't have been crashing
Forma interrogativa
Forma simple
can I crash? can you crash? can he crash? can we crash? can you crash? can they crash?
Forma con V-ing
can I be crashing? can you be crashing? can he be crashing? can we be crashing? can you be crashing? can they be crashing?
Perfecto
can I have crashed? can you have crashed? can he have crashed? can we have crashed? can you have crashed? can they have crashed?
Perfecto con V-ing
can I have been crashing? can you have been crashing? can he have been crashing? can we have been crashing? can you have been crashing? can they have been crashing?
Forma interro-negativa
Forma simple
can't I crash? can't you crash? can't he crash? can't we crash? can't you crash? can't they crash?
Forma con V-ing
can't I be crashing? can't you be crashing? can't he be crashing? can't we be crashing? can't you be crashing? can't they be crashing?
Perfecto
can't I have crashed? can't you have crashed? can't he have crashed? can't we have crashed? can't you have crashed? can't they have crashed?
Perfecto con V-ing
can't I have been crashing? can't you have been crashing? can't he have been crashing? can't we have been crashing? can't you have been crashing? can't they have been crashing?