Auxillary verb change in to past tense, 1 the children are running around the play ground. 2 l have lost my purse.

Writing about thing people usually do

Suppose you connect a battery to a small light bulb with a single wire. what do you think will happen? explain your answer.

What task did the surveyors do? a. they studied the landscape to determine the most direct route for building a road. b. they designed treadmills that lifted blocks of stone to where they were needed. c. they dug trenches and filled them with sand, concrete, and large blocks to form a road.