VERB + FLY
- swat
- I swatted the fly with a newspaper
FLY + VERB
- buzz
- A fly was buzzing against the window
- crawl
- land (on sth), settle (on sth)
- A fly settled on the butter
ADJ
- button/button-up, zip/zipped
VERB + FLY
- button (up), do up, zip up
- undo, unzip
- Do you know your flies are undone?