1) Present
- I am a child (+)
- I am not a child (-)
- Am i a child? (?)
2) Past
- I was a child (+)
- I wasn't (was + not) a child (-)
- Was I a child? (?)
3) Future
- I will ve a child (+)
- I won't (will + not) be a child (-)
- Will I be a child? (?)