What do you see?
.....................
What do architects do?
They design buildings.
What do you see?
................
Did the engineer measure the space?
........................
What are the construction workers doing?
They are...........
What is the carpenter doing?
The carpenter is....
What do plumbers do?
They fix pipes.
What do you see?
.........................
Has the architect started work?
Yes, she has.
Has the plumber fixed the drain?
...................
What did the engineer make?
........................
Has the engineer left?
No, he hasn't.
has the carpenter finished cutting the wood?
Yes, the carpenter has finished cutting the wood.
What do you see?
..................
What do you see?
......................
Have the construction workers started to work?
No, the construction workers have not started to work.