could scrape
Regular verb: scrape - scraped- scraped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scrape
you could scrape
she could scrape
we could scrape
you could scrape
they could scrape 	I could be scraping
you could be scraping
she could be scraping
we could be scraping
you could be scraping
they could be scraping	I could have scraped
you could have scraped
she could have scraped
we could have scraped
you could have scraped
they could have scraped	I could have been scraping
you could have been scraping
she could have been scraping
we could have been scraping
you could have been scraping
they could have been scraping	

Negation 	
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I couldn't scrape
you couldn't scrape
she couldn't scrape
we couldn't scrape
you couldn't scrape
they couldn't scrape 	I couldn't be scraping
you couldn't be scraping
she couldn't be scraping
we couldn't be scraping
you couldn't be scraping
they couldn't be scraping	I couldn't have scraped
you couldn't have scraped
she couldn't have scraped
we couldn't have scraped
you couldn't have scraped
they couldn't have scraped	I couldn't have been scraping
you couldn't have been scraping
she couldn't have been scraping
we couldn't have been scraping
you couldn't have been scraping
they couldn't have been scraping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scrape?
could you scrape?
could she scrape?
could we scrape?
could you scrape?
could they scrape? 	could I be scraping?
could you be scraping?
could she be scraping?
could we be scraping?
could you be scraping?
could they be scraping? 	could I have scraped?
could you have scraped?
could she have scraped?
could we have scraped?
could you have scraped?
could they have scraped? 	could I have been scraping?
could you have been scraping?
could she have been scraping?
could we have been scraping?
could you have been scraping?
could they have been scraping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I scrape?
couldn't you scrape?
couldn't she scrape?
couldn't we scrape?
couldn't you scrape?
couldn't they scrape? 	couldn't I be scraping?
couldn't you be scraping?
couldn't she be scraping?
couldn't we be scraping?
couldn't you be scraping?
couldn't they be scraping? 	couldn't I have scraped?
couldn't you have scraped?
couldn't she have scraped?
couldn't we have scraped?
couldn't you have scraped?
couldn't they have scraped? 	couldn't I have been scraping?
couldn't you have been scraping?
couldn't she have been scraping?
couldn't we have been scraping?
couldn't you have been scraping?
couldn't they have been scraping?