What's the past of jump?
jumped
What's the past of lie down?
Laid/layed down
What's the past of sit?
sat
What's she doing?
Diving
What's the past of wear?
wore
What's the past of swim?
swam
What's the past of snorkel?
snorkelled
What are they doing?
Laying down
What's he doing?
jumping
What's the past of dive?
dove
What's she doing?
snorkelling
What's she doing?
Swimming
What's the past of put on (your swimming costume)?
put on