Phrases Offering and Refusing Help

I wish I could, but I'm swamped.

B2

Meaning

I want to help, but I'm very busy.

Example sentences

John: 'Could you proofread my essay?'

Alice: 'I wish I could, but I'm swamped.'

John: 'I wish I could, but I'm swamped.'

Alice: 'Could you help me move this weekend?'