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REVISION - Coggle Diagram
REVISION
Plastics
what is it
what do we use it for
what is it made of
raw materials
bioplastics
starch
recycle
examples
UP Resin
PS
PET /PBT
PA
PVC
Renewable Energy
solar
tidal
eolic
geothermal
hydraulic
advantages
environment friendly
safer / healthier
limitless
disadvantages
location
unstable
Aeronautics
form of transportation
aircraft
lift
drag
thrust
weight
movements
yawing
pitching
rolling
Future Homes
solar panels on the roof
monitor fridge
electronic newspapers
changeable walls
convertible sofa
containers
Bridges
famous bridges
Golden Gate Bridge: suspension bridge
Harbour Bridge: arch bridge
Forth Rail Bridge: truss
Carl's Bridge: arch
lift
Cape Cod Canal Railways Bridge
pivot
Tower Bridge
swing
Bilbao cable stay
tilt
Gateshead Millennium Bridge
Grammar
PASSIVE
not clear or important who does an action
The bridge was built.
The bridge was built by Karel Gott.
ability and inability
can
could
be able to
We will be able to have a clean food.
past simple x past continuous
past simple
finished actions
regular and irregular verbs
Did you ...?
didn't
I discovered wave energy.
past continuous
action in progress in the past
was/were + verb with ing
I was doing my PhD.
Somebody rang when I was watching TV.
First and Second Conditional
First
possible
present simple, will
If the designers come up with something new, it will mean a progress.
Second
speculation, imaginary
past simple, would
It wouldn't be possible to go to University, if I didn't have brain.
obligation and necessity
have to
When you want to drive a car, you have to have a driving licence.
don't have to
I don't have to go to school.
must
You must have material to build a house.
mustn't
You mustn't smoke in a restaurant.