Present participle; Past participle - tusking - tusked Present - tusk - tusk - tusks - tusk - tusk - tusk Past - tusked - tusked - tusked - tusked - tusked - tusked Future - will tusk - will tusk - will tusk - will tusk - will tusk - will tusk Present conditional - would tusk - would tusk - would tusk - would tusk - would tusk - would tusk Present Perfect - have tusked - have tusked - has tusked - have tusked - have tusked - have tusked Past Perfect - had tusked - had tusked - had tusked - had tusked - had tusked - had tusked Future Perfect - will have tusked - will have tusked - will have tusked - will have tusked - will have tusked - will have tusked Past conditional - would have tusked - would have tusked - would have tusked - would have tusked - would have tusked - would have tusked Imperative - - - tusk - - - - - - - -