I should letch you should letch he should letch we should letch you should letch they should letch
Forme en V-ing
I should be letching you should be letching he should be letching we should be letching you should be letching they should be letching
Perfect
I should have letched you should have letched he should have letched we should have letched you should have letched they should have letched
Perfect en V-ing
I should have been letching you should have been letching he should have been letching we should have been letching you should have been letching they should have been letching
Négation
Forme simple
I should not letch you should not letch he should not letch we should not letch you should not letch they should not letch
Forme en V-ing
I should not be letching you should not be letching he should not be letching we should not be letching you should not be letching they should not be letching
Perfect
I should not have letched you should not have letched he should not have letched we should not have letched you should not have letched they should not have letched
Perfect en V-ing
I should not have been letching you should not have been letching he should not have been letching we should not have been letching you should not have been letching they should not have been letching
Forme interrogative
Forme simple
should I letch? should you letch? should he letch? should we letch? should you letch? should they letch?
Forme en V-ing
should I be letching? should you be letching? should he be letching? should we be letching? should you be letching? should they be letching?
Perfect
should I have letched? should you have letched? should he have letched? should we have letched? should you have letched? should they have letched?
Perfect en V-ing
should I have been letching? should you have been letching? should he have been letching? should we have been letching? should you have been letching? should they have been letching?
Forme interro-négative
Forme simple
should I not letch? should you not letch? should he not letch? should we not letch? should you not letch? should they not letch?
Forme en V-ing
should I not be letching? should you not be letching? should he not be letching? should we not be letching? should you not be letching? should they not be letching?
Perfect
should I not have letched? should you not have letched? should he not have letched? should we not have letched? should you not have letched? should they not have letched?
Perfect en V-ing
should I not have been letching? should you not have been letching? should he not have been letching? should we not have been letching? should you not have been letching? should they not have been letching?