It is a warning that indicates a future event.
The answer you seek is “the practice of having two or more husbands”
Answer:
A.)
1.) The ball roll down the street: <u>The ball </u><u><em>rolled</em></u><u> down the street.</u>
2.) I skip on the sidewalk: <u>I </u><em><u>was skipping</u></em><u> on the sidewalk.</u>
3.) We climb on the mountain: <u>We </u><u><em>will climb</em></u><u> on the mountain.</u>
4.) Matt wave happily at me: <u>Matt </u><u><em>waves</em></u><u> happily at me.</u>
5.) Uncle Bill tell a story: <u>Uncle Bill </u><u><em>will tell</em></u><u> a story.</u>
B.)
6.) (d.) Trisha asks for a pencil.
7.) (d.) I watched an hour of television.
8.) (a.) The rain falls heavily outside.