1. subdivide the following words of native origin into: 1) words of indo-european origin 2) words of germanic origin 3) english proper words woman, sister, glove, lady, tooth, slow, green, know, sand, long, grass, boy, seven, eat, widow, lip, swine, bird, corn, silver, ten, day, ship, we, sun, girl

1) words of Indo-European origin: sister, widow, day, swine, lip, corn, sun, green, seven, ten, know, eat, ship, tooth, sand, grass, silver, long, we, glove, slow
2) words of Germanic origin: swine, green, sand, grass, 
3) English proper words: woman, lady, girl, bird, boy,