I can fertilise you can fertilise she can fertilise we can fertilise you can fertilise they can fertilise
Forme en V-ing
I can be fertilising you can be fertilising she can be fertilising we can be fertilising you can be fertilising they can be fertilising
Perfect
I can have fertilised you can have fertilised she can have fertilised we can have fertilised you can have fertilised they can have fertilised
Perfect en V-ing
I can have been fertilising you can have been fertilising she can have been fertilising we can have been fertilising you can have been fertilising they can have been fertilising
Négation
Forme simple
I can't fertilise you can't fertilise she can't fertilise we can't fertilise you can't fertilise they can't fertilise
Forme en V-ing
I can't be fertilising you can't be fertilising she can't be fertilising we can't be fertilising you can't be fertilising they can't be fertilising
Perfect
I can't have fertilised you can't have fertilised she can't have fertilised we can't have fertilised you can't have fertilised they can't have fertilised
Perfect en V-ing
I can't have been fertilising you can't have been fertilising she can't have been fertilising we can't have been fertilising you can't have been fertilising they can't have been fertilising
Forme interrogative
Forme simple
can I fertilise? can you fertilise? can she fertilise? can we fertilise? can you fertilise? can they fertilise?
Forme en V-ing
can I be fertilising? can you be fertilising? can she be fertilising? can we be fertilising? can you be fertilising? can they be fertilising?
Perfect
can I have fertilised? can you have fertilised? can she have fertilised? can we have fertilised? can you have fertilised? can they have fertilised?
Perfect en V-ing
can I have been fertilising? can you have been fertilising? can she have been fertilising? can we have been fertilising? can you have been fertilising? can they have been fertilising?
Forme interro-négative
Forme simple
can't I fertilise? can't you fertilise? can't she fertilise? can't we fertilise? can't you fertilise? can't they fertilise?
Forme en V-ing
can't I be fertilising? can't you be fertilising? can't she be fertilising? can't we be fertilising? can't you be fertilising? can't they be fertilising?
Perfect
can't I have fertilised? can't you have fertilised? can't she have fertilised? can't we have fertilised? can't you have fertilised? can't they have fertilised?
Perfect en V-ing
can't I have been fertilising? can't you have been fertilising? can't she have been fertilising? can't we have been fertilising? can't you have been fertilising? can't they have been fertilising?