could landscape
Regular verb: landscape - landscaped- landscaped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could landscape
you could landscape
he could landscape
we could landscape
you could landscape
they could landscape 	I could be landscaping
you could be landscaping
he could be landscaping
we could be landscaping
you could be landscaping
they could be landscaping	I could have landscaped
you could have landscaped
he 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
he 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 couldn't landscape
you couldn't landscape
he couldn't landscape
we couldn't landscape
you couldn't landscape
they couldn't landscape 	I couldn't be landscaping
you couldn't be landscaping
he couldn't be landscaping
we couldn't be landscaping
you couldn't be landscaping
they couldn't be landscaping	I couldn't have landscaped
you couldn't have landscaped
he couldn't have landscaped
we couldn't have landscaped
you couldn't have landscaped
they couldn't have landscaped	I couldn't have been landscaping
you couldn't have been landscaping
he couldn't have been landscaping
we couldn't have been landscaping
you couldn't have been landscaping
they couldn't have been landscaping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I landscape?
could you landscape?
could he landscape?
could we landscape?
could you landscape?
could they landscape? 	could I be landscaping?
could you be landscaping?
could he be landscaping?
could we be landscaping?
could you be landscaping?
could they be landscaping? 	could I have landscaped?
could you have landscaped?
could he 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 he 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 	
couldn't I landscape?
couldn't you landscape?
couldn't he landscape?
couldn't we landscape?
couldn't you landscape?
couldn't they landscape? 	couldn't I be landscaping?
couldn't you be landscaping?
couldn't he be landscaping?
couldn't we be landscaping?
couldn't you be landscaping?
couldn't they be landscaping? 	couldn't I have landscaped?
couldn't you have landscaped?
couldn't he have landscaped?
couldn't we have landscaped?
couldn't you have landscaped?
couldn't they have landscaped? 	couldn't I have been landscaping?
couldn't you have been landscaping?
couldn't he have been landscaping?
couldn't we have been landscaping?
couldn't you have been landscaping?
couldn't they have been landscaping?