can earth
Regular verb: earth - earthed- earthed

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