比 introduces a standard of comparison.
Introductory pattern#
Thing A + 比 + thing B + adjective
Worked teaching example#
这本书比那本书贵。
This book is more expensive than that one.
Practise the distinction#
Swap the two books and consider how the comparison changes.
The example and exercise are newly written for this lesson. They do not report an event, interview or study. This introduction covers the displayed use, rather than all constructions involving the same words.
Reference#
Grammar reference. The reference supports the grammar point; no example sentence has been copied from it.