could landscape
Regular verb: landscape - landscaped- landscaped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could landscape
you could landscape
she could landscape
we could landscape
you could landscape
they could landscape 	I could be landscaping
you could be landscaping
she could be landscaping
we could be landscaping
you could be landscaping
they could be landscaping	I could have landscaped
you could have landscaped
she could have landscaped
we could have landscaped
you could have landscaped
they could have landscaped	I could have been landscaping
you could have been landscaping
she could have been landscaping
we could have been landscaping
you could have been landscaping
they could have been landscaping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not landscape
you could not landscape
she could not landscape
we could not landscape
you could not landscape
they could not landscape 	I could not be landscaping
you could not be landscaping
she could not be landscaping
we could not be landscaping
you could not be landscaping
they could not be landscaping	I could not have landscaped
you could not have landscaped
she could not have landscaped
we could not have landscaped
you could not have landscaped
they could not have landscaped	I could not have been landscaping
you could not have been landscaping
she could not have been landscaping
we could not have been landscaping
you could not have been landscaping
they could not have been landscaping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I landscape?
could you landscape?
could she landscape?
could we landscape?
could you landscape?
could they landscape? 	could I be landscaping?
could you be landscaping?
could she be landscaping?
could we be landscaping?
could you be landscaping?
could they be landscaping? 	could I have landscaped?
could you have landscaped?
could she have landscaped?
could we have landscaped?
could you have landscaped?
could they have landscaped? 	could I have been landscaping?
could you have been landscaping?
could she have been landscaping?
could we have been landscaping?
could you have been landscaping?
could they have been landscaping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not landscape?
could you not landscape?
could she not landscape?
could we not landscape?
could you not landscape?
could they not landscape? 	could I not be landscaping?
could you not be landscaping?
could she not be landscaping?
could we not be landscaping?
could you not be landscaping?
could they not be landscaping? 	could I not have landscaped?
could you not have landscaped?
could she not have landscaped?
could we not have landscaped?
could you not have landscaped?
could they not have landscaped? 	could I not have been landscaping?
could you not have been landscaping?
could she not have been landscaping?
could we not have been landscaping?
could you not have been landscaping?
could they not have been landscaping?