Present participle; Past participle - swimming - swum Present - swim - swim - swims - swim - swim - swim Past - swam - swam - swam - swam - swam - swam Future - will swim - will swim - will swim - will swim - will swim - will swim Present conditional - would swim - would swim - would swim - would swim - would swim - would swim Present Perfect - have swum - have swum - has swum - have swum - have swum - have swum Past Perfect - had swum - had swum - had swum - had swum - had swum - had swum Future Perfect - will have swum - will have swum - will have swum - will have swum - will have swum - will have swum Past conditional - would have swum - would have swum - would have swum - would have swum - would have swum - would have swum Imperative - - - swim - - - - - - - -