Present participle; Past participle - thatching - thatched Present - thatch - thatch - thatches - thatch - thatch - thatch Past - thatched - thatched - thatched - thatched - thatched - thatched Future - will thatch - will thatch - will thatch - will thatch - will thatch - will thatch Present conditional - would thatch - would thatch - would thatch - would thatch - would thatch - would thatch Present Perfect - have thatched - have thatched - has thatched - have thatched - have thatched - have thatched Past Perfect - had thatched - had thatched - had thatched - had thatched - had thatched - had thatched Future Perfect - will have thatched - will have thatched - will have thatched - will have thatched - will have thatched - will have thatched Past conditional - would have thatched - would have thatched - would have thatched - would have thatched - would have thatched - would have thatched Imperative - - - thatch - - - - - - - -