I can consider you can consider he can consider we can consider you can consider they can consider
V-ing form
I can be considering you can be considering he can be considering we can be considering you can be considering they can be considering
Perfect
I can have considered you can have considered he can have considered we can have considered you can have considered they can have considered
V-ing perfect
I can have been considering you can have been considering he can have been considering we can have been considering you can have been considering they can have been considering
Negation
Simple form
I can't consider you can't consider he can't consider we can't consider you can't consider they can't consider
V-ing form
I can't be considering you can't be considering he can't be considering we can't be considering you can't be considering they can't be considering
Perfect
I can't have considered you can't have considered he can't have considered we can't have considered you can't have considered they can't have considered
V-ing perfect
I can't have been considering you can't have been considering he can't have been considering we can't have been considering you can't have been considering they can't have been considering
Interrogative form
Simple form
can I consider? can you consider? can he consider? can we consider? can you consider? can they consider?
V-ing form
can I be considering? can you be considering? can he be considering? can we be considering? can you be considering? can they be considering?
Perfect
can I have considered? can you have considered? can he have considered? can we have considered? can you have considered? can they have considered?
V-ing perfect
can I have been considering? can you have been considering? can he have been considering? can we have been considering? can you have been considering? can they have been considering?
Interro-negative form
Simple form
can't I consider? can't you consider? can't he consider? can't we consider? can't you consider? can't they consider?
V-ing form
can't I be considering? can't you be considering? can't he be considering? can't we be considering? can't you be considering? can't they be considering?
Perfect
can't I have considered? can't you have considered? can't he have considered? can't we have considered? can't you have considered? can't they have considered?
V-ing perfect
can't I have been considering? can't you have been considering? can't he have been considering? can't we have been considering? can't you have been considering? can't they have been considering?