write down the form of past tense

(+) s+to be +v2 + o/compliment 
(-) s+ tobe + v1 + not + o/comp.
(?) tobe +s+ v1 +o/comp. 

- Greeted
- Ground
- Sent
- Played
- Meant
- Met
- Grilled
- Wrote
- Read

Hope to help ... ^_^