Present participle; Past participle - seesawing - seesawed Present - seesaw - seesaw - seesaws - seesaw - seesaw - seesaw Past - seesawed - seesawed - seesawed - seesawed - seesawed - seesawed Future - will seesaw - will seesaw - will seesaw - will seesaw - will seesaw - will seesaw Present conditional - would seesaw - would seesaw - would seesaw - would seesaw - would seesaw - would seesaw Present Perfect - have seesawed - have seesawed - has seesawed - have seesawed - have seesawed - have seesawed Past Perfect - had seesawed - had seesawed - had seesawed - had seesawed - had seesawed - had seesawed Future Perfect - will have seesawed - will have seesawed - will have seesawed - will have seesawed - will have seesawed - will have seesawed Past conditional - would have seesawed - would have seesawed - would have seesawed - would have seesawed - would have seesawed - would have seesawed Imperative - - - seesaw - - - - - - - -