Present participle; Past participle - comprehending - comprehended Present - comprehend - comprehend - comprehends - comprehend - comprehend - comprehend Past - comprehended - comprehended - comprehended - comprehended - comprehended - comprehended Future - will comprehend - will comprehend - will comprehend - will comprehend - will comprehend - will comprehend Present conditional - would comprehend - would comprehend - would comprehend - would comprehend - would comprehend - would comprehend Present Perfect - have comprehended - have comprehended - has comprehended - have comprehended - have comprehended - have comprehended Past Perfect - had comprehended - had comprehended - had comprehended - had comprehended - had comprehended - had comprehended Future Perfect - will have comprehended - will have comprehended - will have comprehended - will have comprehended - will have comprehended - will have comprehended Past conditional - would have comprehended - would have comprehended - would have comprehended - would have comprehended - would have comprehended - would have comprehended Imperative - - - comprehend - - - - - - - -