English verb conjugation
CAN APPROXIMATE

Regular verb: approximate - approximated - approximated

Affirmation

Simple form	V-ing form
I can approximate you can approximate he can approximate we can approximate you can approximate they can approximate	I can be approximating you can be approximating he can be approximating we can be approximating you can be approximating they can be approximating
Perfect	V-ing perfect
I can have approximated you can have approximated he can have approximated we can have approximated you can have approximated they can have approximated	I can have been approximating you can have been approximating he can have been approximating we can have been approximating you can have been approximating they can have been approximating

Negation

Simple form	V-ing form
I can't approximate you can't approximate he can't approximate we can't approximate you can't approximate they can't approximate	I can't be approximating you can't be approximating he can't be approximating we can't be approximating you can't be approximating they can't be approximating
Perfect	V-ing perfect
I can't have approximated you can't have approximated he can't have approximated we can't have approximated you can't have approximated they can't have approximated	I can't have been approximating you can't have been approximating he can't have been approximating we can't have been approximating you can't have been approximating they can't have been approximating

Interrogative form

Simple form	V-ing form
can I approximate? can you approximate? can he approximate? can we approximate? can you approximate? can they approximate?	can I be approximating? can you be approximating? can he be approximating? can we be approximating? can you be approximating? can they be approximating?
Perfect	V-ing perfect
can I have approximated? can you have approximated? can he have approximated? can we have approximated? can you have approximated? can they have approximated?	can I have been approximating? can you have been approximating? can he have been approximating? can we have been approximating? can you have been approximating? can they have been approximating?

Interro-negative form

Simple form	V-ing form
can't I approximate? can't you approximate? can't he approximate? can't we approximate? can't you approximate? can't they approximate?	can't I be approximating? can't you be approximating? can't he be approximating? can't we be approximating? can't you be approximating? can't they be approximating?
Perfect	V-ing perfect
can't I have approximated? can't you have approximated? can't he have approximated? can't we have approximated? can't you have approximated? can't they have approximated?	can't I have been approximating? can't you have been approximating? can't he have been approximating? can't we have been approximating? can't you have been approximating? can't they have been approximating?