I can antiquate you can antiquate he can antiquate we can antiquate you can antiquate they can antiquate
V-ing form
I can be antiquating you can be antiquating he can be antiquating we can be antiquating you can be antiquating they can be antiquating
Perfect
I can have antiquated you can have antiquated he can have antiquated we can have antiquated you can have antiquated they can have antiquated
V-ing perfect
I can have been antiquating you can have been antiquating he can have been antiquating we can have been antiquating you can have been antiquating they can have been antiquating
Negation
Simple form
I can't antiquate you can't antiquate he can't antiquate we can't antiquate you can't antiquate they can't antiquate
V-ing form
I can't be antiquating you can't be antiquating he can't be antiquating we can't be antiquating you can't be antiquating they can't be antiquating
Perfect
I can't have antiquated you can't have antiquated he can't have antiquated we can't have antiquated you can't have antiquated they can't have antiquated
V-ing perfect
I can't have been antiquating you can't have been antiquating he can't have been antiquating we can't have been antiquating you can't have been antiquating they can't have been antiquating
Interrogative form
Simple form
can I antiquate? can you antiquate? can he antiquate? can we antiquate? can you antiquate? can they antiquate?
V-ing form
can I be antiquating? can you be antiquating? can he be antiquating? can we be antiquating? can you be antiquating? can they be antiquating?
Perfect
can I have antiquated? can you have antiquated? can he have antiquated? can we have antiquated? can you have antiquated? can they have antiquated?
V-ing perfect
can I have been antiquating? can you have been antiquating? can he have been antiquating? can we have been antiquating? can you have been antiquating? can they have been antiquating?
Interro-negative form
Simple form
can't I antiquate? can't you antiquate? can't he antiquate? can't we antiquate? can't you antiquate? can't they antiquate?
V-ing form
can't I be antiquating? can't you be antiquating? can't he be antiquating? can't we be antiquating? can't you be antiquating? can't they be antiquating?
Perfect
can't I have antiquated? can't you have antiquated? can't he have antiquated? can't we have antiquated? can't you have antiquated? can't they have antiquated?
V-ing perfect
can't I have been antiquating? can't you have been antiquating? can't he have been antiquating? can't we have been antiquating? can't you have been antiquating? can't they have been antiquating?