I can cross-fertilise you can cross-fertilise she can cross-fertilise we can cross-fertilise you can cross-fertilise they can cross-fertilise
V-ing form
I can be cross-fertilising you can be cross-fertilising she can be cross-fertilising we can be cross-fertilising you can be cross-fertilising they can be cross-fertilising
Perfect
I can have cross-fertilised you can have cross-fertilised she can have cross-fertilised we can have cross-fertilised you can have cross-fertilised they can have cross-fertilised
V-ing perfect
I can have been cross-fertilising you can have been cross-fertilising she can have been cross-fertilising we can have been cross-fertilising you can have been cross-fertilising they can have been cross-fertilising
Negation
Simple form
I can't cross-fertilise you can't cross-fertilise she can't cross-fertilise we can't cross-fertilise you can't cross-fertilise they can't cross-fertilise
V-ing form
I can't be cross-fertilising you can't be cross-fertilising she can't be cross-fertilising we can't be cross-fertilising you can't be cross-fertilising they can't be cross-fertilising
Perfect
I can't have cross-fertilised you can't have cross-fertilised she can't have cross-fertilised we can't have cross-fertilised you can't have cross-fertilised they can't have cross-fertilised
V-ing perfect
I can't have been cross-fertilising you can't have been cross-fertilising she can't have been cross-fertilising we can't have been cross-fertilising you can't have been cross-fertilising they can't have been cross-fertilising
Interrogative form
Simple form
can I cross-fertilise? can you cross-fertilise? can she cross-fertilise? can we cross-fertilise? can you cross-fertilise? can they cross-fertilise?
V-ing form
can I be cross-fertilising? can you be cross-fertilising? can she be cross-fertilising? can we be cross-fertilising? can you be cross-fertilising? can they be cross-fertilising?
Perfect
can I have cross-fertilised? can you have cross-fertilised? can she have cross-fertilised? can we have cross-fertilised? can you have cross-fertilised? can they have cross-fertilised?
V-ing perfect
can I have been cross-fertilising? can you have been cross-fertilising? can she have been cross-fertilising? can we have been cross-fertilising? can you have been cross-fertilising? can they have been cross-fertilising?
Interro-negative form
Simple form
can't I cross-fertilise? can't you cross-fertilise? can't she cross-fertilise? can't we cross-fertilise? can't you cross-fertilise? can't they cross-fertilise?
V-ing form
can't I be cross-fertilising? can't you be cross-fertilising? can't she be cross-fertilising? can't we be cross-fertilising? can't you be cross-fertilising? can't they be cross-fertilising?
Perfect
can't I have cross-fertilised? can't you have cross-fertilised? can't she have cross-fertilised? can't we have cross-fertilised? can't you have cross-fertilised? can't they have cross-fertilised?
V-ing perfect
can't I have been cross-fertilising? can't you have been cross-fertilising? can't she have been cross-fertilising? can't we have been cross-fertilising? can't you have been cross-fertilising? can't they have been cross-fertilising?