I can meet you can meet he can meet we can meet you can meet they can meet
V-ing form
I can be meeting you can be meeting he can be meeting we can be meeting you can be meeting they can be meeting
Perfect
I can have met you can have met he can have met we can have met you can have met they can have met
V-ing perfect
I can have been meeting you can have been meeting he can have been meeting we can have been meeting you can have been meeting they can have been meeting
Negation
Simple form
I can't meet you can't meet he can't meet we can't meet you can't meet they can't meet
V-ing form
I can't be meeting you can't be meeting he can't be meeting we can't be meeting you can't be meeting they can't be meeting
Perfect
I can't have met you can't have met he can't have met we can't have met you can't have met they can't have met
V-ing perfect
I can't have been meeting you can't have been meeting he can't have been meeting we can't have been meeting you can't have been meeting they can't have been meeting
Interrogative form
Simple form
can I meet? can you meet? can he meet? can we meet? can you meet? can they meet?
V-ing form
can I be meeting? can you be meeting? can he be meeting? can we be meeting? can you be meeting? can they be meeting?
Perfect
can I have met? can you have met? can he have met? can we have met? can you have met? can they have met?
V-ing perfect
can I have been meeting? can you have been meeting? can he have been meeting? can we have been meeting? can you have been meeting? can they have been meeting?
Interro-negative form
Simple form
can't I meet? can't you meet? can't he meet? can't we meet? can't you meet? can't they meet?
V-ing form
can't I be meeting? can't you be meeting? can't he be meeting? can't we be meeting? can't you be meeting? can't they be meeting?
Perfect
can't I have met? can't you have met? can't he have met? can't we have met? can't you have met? can't they have met?
V-ing perfect
can't I have been meeting? can't you have been meeting? can't he have been meeting? can't we have been meeting? can't you have been meeting? can't they have been meeting?