将来时more
- · Accidents will happen.
- · One day it will happen.
- · What would happen to us?
过去时more
- · It all happened so fast.
- · It happened purely by chance.
- · I happened to see James in town.
现在时more
- · If you happen to.
- · It happens to all of us.
- · Has it ever happened to you?
进行时more
- · Agassi is happening.
- · What is happening to me?
- · What was happening to her?