Unit 12

• Engels
• MBO
• Studiejaar 2

1) What predictions does each graph show?

2) Which predictions are the best - case scenario and which ones are the worst-case scenario?

3) Which predictions do you think are most likely? Why?

40

3)

4)

41

5 & 6

42

9.

7. The future perfect

Active: He will have bought a car. 

Passive: A car will have been bought by him.

Predictions in the future

Future

3.1 How is the Greenbird similar to and different from (a) an aircraft, (b) a racing car and (c) a sailing boat? Answer in note form.

3.2 What is the maximum speed of the Greenbird compared with the wind?

3.3 What is the maximum force of a side wind that the Greenbird can withstand?

3.4 What can stop other vehicles going faster even when the wind is stronger?

3.5 Which of the Greenbird's wings provide a downwards force?

3.6 What would happen to the vehicle if lift was minimised and drag was maximised?

staggering = very good

exceptional = very good

massive = very great

tremendous = very great

Possible answers

1. A surfboard is like a small boat but uses a flat board instead of a hull. 
2. A hovercraft goes over the sea like a boat but it doesn't actually sit on the water. Instead, it floats (hovers) a short distance above it. 
3. A seaplane is like an aeroplane but instead of wheels, it lands on a pair of floats. 
4. A helicopter flies through the air like an aeroplane but it uses blades instead of wings. 
5. A submarine can float on water like a ship but unlike a ship, it can also submerge below the surface. 
6. A space shuttle is like an aeroplane but instead of flying only in the atmosphere, it can fly outside the atmosphere, it can fly outside the atmosphere like a space rocket.