I can conceptualize you can conceptualize he can conceptualize we can conceptualize you can conceptualize they can conceptualize
V-ing form
I can be conceptualizing you can be conceptualizing he can be conceptualizing we can be conceptualizing you can be conceptualizing they can be conceptualizing
Perfect
I can have conceptualized you can have conceptualized he can have conceptualized we can have conceptualized you can have conceptualized they can have conceptualized
V-ing perfect
I can have been conceptualizing you can have been conceptualizing he can have been conceptualizing we can have been conceptualizing you can have been conceptualizing they can have been conceptualizing
Negation
Simple form
I can't conceptualize you can't conceptualize he can't conceptualize we can't conceptualize you can't conceptualize they can't conceptualize
V-ing form
I can't be conceptualizing you can't be conceptualizing he can't be conceptualizing we can't be conceptualizing you can't be conceptualizing they can't be conceptualizing
Perfect
I can't have conceptualized you can't have conceptualized he can't have conceptualized we can't have conceptualized you can't have conceptualized they can't have conceptualized
V-ing perfect
I can't have been conceptualizing you can't have been conceptualizing he can't have been conceptualizing we can't have been conceptualizing you can't have been conceptualizing they can't have been conceptualizing
Interrogative form
Simple form
can I conceptualize? can you conceptualize? can he conceptualize? can we conceptualize? can you conceptualize? can they conceptualize?
V-ing form
can I be conceptualizing? can you be conceptualizing? can he be conceptualizing? can we be conceptualizing? can you be conceptualizing? can they be conceptualizing?
Perfect
can I have conceptualized? can you have conceptualized? can he have conceptualized? can we have conceptualized? can you have conceptualized? can they have conceptualized?
V-ing perfect
can I have been conceptualizing? can you have been conceptualizing? can he have been conceptualizing? can we have been conceptualizing? can you have been conceptualizing? can they have been conceptualizing?
Interro-negative form
Simple form
can't I conceptualize? can't you conceptualize? can't he conceptualize? can't we conceptualize? can't you conceptualize? can't they conceptualize?
V-ing form
can't I be conceptualizing? can't you be conceptualizing? can't he be conceptualizing? can't we be conceptualizing? can't you be conceptualizing? can't they be conceptualizing?
Perfect
can't I have conceptualized? can't you have conceptualized? can't he have conceptualized? can't we have conceptualized? can't you have conceptualized? can't they have conceptualized?
V-ing perfect
can't I have been conceptualizing? can't you have been conceptualizing? can't he have been conceptualizing? can't we have been conceptualizing? can't you have been conceptualizing? can't they have been conceptualizing?