2. Conjugate the verb 'SER'.
i.
ii.
iii.
iv.
V.
vi.
vii.
viii.
ix.
Yo-
Ella -
Usted -
Nosotras-
Tú y Marta -
Yo y mi hermana.
Ella y Pablo-
Usted y Paula -
Tú-
Fishes are streamlined because the streamlined shape helps them move through the water with the least of resistance. The respiratory organ of fish is gills.