Would rather and would sooner are basically identical to each other in meaning.
They can be used interchangeably or in different contexts.
In this lesson, you’ll learn how to use them and practise.
Would rather and would sooner are identical in meaning.
They both mean that you prefer to do something.
Structure: would rather/sooner + (not) + infinitive
Structure: would rather/sooner + subject + past simple verb
E.g. They’d rather we finished the painting now.