Comparison - as ... as / not as ... as

Travelling by train is faster than travelling by bus (slow) -

Travelling by train ... travelling by bus

Tom is 1.65, Sue is 1.65 too (tall) -

Tom ... Sue

Dogs are noisier than cats (quiet)

Dogs ... cats

This mobile phone costs $225, and the bicycle costs $225 too (expensive) -

The mobile phone ... the bicycle

Jo thinks geography is easier than history (difficult) -

Jo thinks geography ... history

My room is tidier than yours (untidy) -

My room ... your