Образуйте форму множественного числа:a bed, a flat, a house, a garage, a chair, a table, a mirror, a roof, a cottage, a desk, a shelf, a balcony, a porch, a garden, an owner, housekeeper, a landlord, a tenant, dishwasher

a bed - beds, a flat - flats, a house - houses, a garage - garages, a chair - chairs, a table - tables, a mirror - mirrors, a roof - roofs, a cottage - cottages, a desk - desks, a shelf - shelves, a balcony - balconies, a porch - porches, a garden - gardens, an owner - owners, housekeeper - housekeepers, a landlord - landlords, a tenant - tenants, a dishwasher - dishwashers