English verb conjugation
CAN EARTH

Regular verb: earth - earthed - earthed

Affirmation

Simple form	V-ing form
I can earth you can earth he can earth we can earth you can earth they can earth	I can be earthing you can be earthing he can be earthing we can be earthing you can be earthing they can be earthing
Perfect	V-ing perfect
I can have earthed you can have earthed he can have earthed we can have earthed you can have earthed they can have earthed	I can have been earthing you can have been earthing he can have been earthing we can have been earthing you can have been earthing they can have been earthing

Negation

Simple form	V-ing form
I cannot earth you cannot earth he cannot earth we cannot earth you cannot earth they cannot earth	I cannot be earthing you cannot be earthing he cannot be earthing we cannot be earthing you cannot be earthing they cannot be earthing
Perfect	V-ing perfect
I cannot have earthed you cannot have earthed he cannot have earthed we cannot have earthed you cannot have earthed they cannot have earthed	I cannot have been earthing you cannot have been earthing he cannot have been earthing we cannot have been earthing you cannot have been earthing they cannot have been earthing

Interrogative form

Simple form	V-ing form
can I earth? can you earth? can he earth? can we earth? can you earth? can they earth?	can I be earthing? can you be earthing? can he be earthing? can we be earthing? can you be earthing? can they be earthing?
Perfect	V-ing perfect
can I have earthed? can you have earthed? can he have earthed? can we have earthed? can you have earthed? can they have earthed?	can I have been earthing? can you have been earthing? can he have been earthing? can we have been earthing? can you have been earthing? can they have been earthing?

Interro-negative form

Simple form	V-ing form
can I not earth? can you not earth? can he not earth? can we not earth? can you not earth? can they not earth?	can I not be earthing? can you not be earthing? can he not be earthing? can we not be earthing? can you not be earthing? can they not be earthing?
Perfect	V-ing perfect
can I not have earthed? can you not have earthed? can he not have earthed? can we not have earthed? can you not have earthed? can they not have earthed?	can I not have been earthing? can you not have been earthing? can he not have been earthing? can we not have been earthing? can you not have been earthing? can they not have been earthing?