I may fertilise you may fertilise she may fertilise we may fertilise you may fertilise they may fertilise
V-ing form
I may be fertilising you may be fertilising she may be fertilising we may be fertilising you may be fertilising they may be fertilising
Perfect
I may have fertilised you may have fertilised she may have fertilised we may have fertilised you may have fertilised they may have fertilised
V-ing perfect
I may have been fertilising you may have been fertilising she may have been fertilising we may have been fertilising you may have been fertilising they may have been fertilising
Negation
Simple form
I may not fertilise you may not fertilise she may not fertilise we may not fertilise you may not fertilise they may not fertilise
V-ing form
I may not be fertilising you may not be fertilising she may not be fertilising we may not be fertilising you may not be fertilising they may not be fertilising
Perfect
I may not have fertilised you may not have fertilised she may not have fertilised we may not have fertilised you may not have fertilised they may not have fertilised
V-ing perfect
I may not have been fertilising you may not have been fertilising she may not have been fertilising we may not have been fertilising you may not have been fertilising they may not have been fertilising
Interrogative form
Simple form
may I fertilise? may you fertilise? may she fertilise? may we fertilise? may you fertilise? may they fertilise?
V-ing form
may I be fertilising? may you be fertilising? may she be fertilising? may we be fertilising? may you be fertilising? may they be fertilising?
Perfect
may I have fertilised? may you have fertilised? may she have fertilised? may we have fertilised? may you have fertilised? may they have fertilised?
V-ing perfect
may I have been fertilising? may you have been fertilising? may she have been fertilising? may we have been fertilising? may you have been fertilising? may they have been fertilising?
Interro-negative form
Simple form
may I not fertilise? may you not fertilise? may she not fertilise? may we not fertilise? may you not fertilise? may they not fertilise?
V-ing form
may I not be fertilising? may you not be fertilising? may she not be fertilising? may we not be fertilising? may you not be fertilising? may they not be fertilising?
Perfect
may I not have fertilised? may you not have fertilised? may she not have fertilised? may we not have fertilised? may you not have fertilised? may they not have fertilised?
V-ing perfect
may I not have been fertilising? may you not have been fertilising? may she not have been fertilising? may we not have been fertilising? may you not have been fertilising? may they not have been fertilising?