I can type you can type he can type we can type you can type they can type
V-ing form
I can be typing you can be typing he can be typing we can be typing you can be typing they can be typing
Perfect
I can have typed you can have typed he can have typed we can have typed you can have typed they can have typed
V-ing perfect
I can have been typing you can have been typing he can have been typing we can have been typing you can have been typing they can have been typing
Negation
Simple form
I can't type you can't type he can't type we can't type you can't type they can't type
V-ing form
I can't be typing you can't be typing he can't be typing we can't be typing you can't be typing they can't be typing
Perfect
I can't have typed you can't have typed he can't have typed we can't have typed you can't have typed they can't have typed
V-ing perfect
I can't have been typing you can't have been typing he can't have been typing we can't have been typing you can't have been typing they can't have been typing
Interrogative form
Simple form
can I type? can you type? can he type? can we type? can you type? can they type?
V-ing form
can I be typing? can you be typing? can he be typing? can we be typing? can you be typing? can they be typing?
Perfect
can I have typed? can you have typed? can he have typed? can we have typed? can you have typed? can they have typed?
V-ing perfect
can I have been typing? can you have been typing? can he have been typing? can we have been typing? can you have been typing? can they have been typing?
Interro-negative form
Simple form
can't I type? can't you type? can't he type? can't we type? can't you type? can't they type?
V-ing form
can't I be typing? can't you be typing? can't he be typing? can't we be typing? can't you be typing? can't they be typing?
Perfect
can't I have typed? can't you have typed? can't he have typed? can't we have typed? can't you have typed? can't they have typed?
V-ing perfect
can't I have been typing? can't you have been typing? can't he have been typing? can't we have been typing? can't you have been typing? can't they have been typing?