Present participle; Past participle - placarding - placarded Present - placard - placard - placards - placard - placard - placard Past - placarded - placarded - placarded - placarded - placarded - placarded Future - will placard - will placard - will placard - will placard - will placard - will placard Present conditional - would placard - would placard - would placard - would placard - would placard - would placard Present Perfect - have placarded - have placarded - has placarded - have placarded - have placarded - have placarded Past Perfect - had placarded - had placarded - had placarded - had placarded - had placarded - had placarded Future Perfect - will have placarded - will have placarded - will have placarded - will have placarded - will have placarded - will have placarded Past conditional - would have placarded - would have placarded - would have placarded - would have placarded - would have placarded - would have placarded Imperative - - - placard - - - - - - - -