I can standardise you can standardise he can standardise we can standardise you can standardise they can standardise
V-ing form
I can be standardising you can be standardising he can be standardising we can be standardising you can be standardising they can be standardising
Perfect
I can have standardised you can have standardised he can have standardised we can have standardised you can have standardised they can have standardised
V-ing perfect
I can have been standardising you can have been standardising he can have been standardising we can have been standardising you can have been standardising they can have been standardising
Negation
Simple form
I can't standardise you can't standardise he can't standardise we can't standardise you can't standardise they can't standardise
V-ing form
I can't be standardising you can't be standardising he can't be standardising we can't be standardising you can't be standardising they can't be standardising
Perfect
I can't have standardised you can't have standardised he can't have standardised we can't have standardised you can't have standardised they can't have standardised
V-ing perfect
I can't have been standardising you can't have been standardising he can't have been standardising we can't have been standardising you can't have been standardising they can't have been standardising
Interrogative form
Simple form
can I standardise? can you standardise? can he standardise? can we standardise? can you standardise? can they standardise?
V-ing form
can I be standardising? can you be standardising? can he be standardising? can we be standardising? can you be standardising? can they be standardising?
Perfect
can I have standardised? can you have standardised? can he have standardised? can we have standardised? can you have standardised? can they have standardised?
V-ing perfect
can I have been standardising? can you have been standardising? can he have been standardising? can we have been standardising? can you have been standardising? can they have been standardising?
Interro-negative form
Simple form
can't I standardise? can't you standardise? can't he standardise? can't we standardise? can't you standardise? can't they standardise?
V-ing form
can't I be standardising? can't you be standardising? can't he be standardising? can't we be standardising? can't you be standardising? can't they be standardising?
Perfect
can't I have standardised? can't you have standardised? can't he have standardised? can't we have standardised? can't you have standardised? can't they have standardised?
V-ing perfect
can't I have been standardising? can't you have been standardising? can't he have been standardising? can't we have been standardising? can't you have been standardising? can't they have been standardising?