English verb conjugation
CAN NOTICE

Regular verb: notice - noticed - noticed

Affirmation

Simple form	V-ing form
I can notice you can notice he can notice we can notice you can notice they can notice	I can be noticing you can be noticing he can be noticing we can be noticing you can be noticing they can be noticing
Perfect	V-ing perfect
I can have noticed you can have noticed he can have noticed we can have noticed you can have noticed they can have noticed	I can have been noticing you can have been noticing he can have been noticing we can have been noticing you can have been noticing they can have been noticing

Negation

Simple form	V-ing form
I can't notice you can't notice he can't notice we can't notice you can't notice they can't notice	I can't be noticing you can't be noticing he can't be noticing we can't be noticing you can't be noticing they can't be noticing
Perfect	V-ing perfect
I can't have noticed you can't have noticed he can't have noticed we can't have noticed you can't have noticed they can't have noticed	I can't have been noticing you can't have been noticing he can't have been noticing we can't have been noticing you can't have been noticing they can't have been noticing

Interrogative form

Simple form	V-ing form
can I notice? can you notice? can he notice? can we notice? can you notice? can they notice?	can I be noticing? can you be noticing? can he be noticing? can we be noticing? can you be noticing? can they be noticing?
Perfect	V-ing perfect
can I have noticed? can you have noticed? can he have noticed? can we have noticed? can you have noticed? can they have noticed?	can I have been noticing? can you have been noticing? can he have been noticing? can we have been noticing? can you have been noticing? can they have been noticing?

Interro-negative form

Simple form	V-ing form
can't I notice? can't you notice? can't he notice? can't we notice? can't you notice? can't they notice?	can't I be noticing? can't you be noticing? can't he be noticing? can't we be noticing? can't you be noticing? can't they be noticing?
Perfect	V-ing perfect
can't I have noticed? can't you have noticed? can't he have noticed? can't we have noticed? can't you have noticed? can't they have noticed?	can't I have been noticing? can't you have been noticing? can't he have been noticing? can't we have been noticing? can't you have been noticing? can't they have been noticing?