1.) He is talking. (Gail)2.) It is green. (the blackboard)3.) They are playing. (the boys and girls)4.) It is running. (the dog)5.) We are watching TV. (My mother and I)6.) They are in the garden. (The flowers)He for "Gail" It for "the blackboard"They for "the boys and girls" It for "the dog" We for "My mother and I"They for "The flowers" because it's plural noun.Personal pronouns are words we use to replace the names of people, animals, or things. To avoid repeating names in sentences we use she, he, it, we, they and etc.