Regular verb: preascertain - preascertained - preascertained
Simple form | V-ing form |
I may preascertain you may preascertain she may preascertain we may preascertain you may preascertain they may preascertain | I may be preascertaining you may be preascertaining she may be preascertaining we may be preascertaining you may be preascertaining they may be preascertaining |
Perfect | V-ing perfect |
I may have preascertained you may have preascertained she may have preascertained we may have preascertained you may have preascertained they may have preascertained | I may have been preascertaining you may have been preascertaining she may have been preascertaining we may have been preascertaining you may have been preascertaining they may have been preascertaining |
Simple form | V-ing form |
I mayn't preascertain you mayn't preascertain she mayn't preascertain we mayn't preascertain you mayn't preascertain they mayn't preascertain | I mayn't be preascertaining you mayn't be preascertaining she mayn't be preascertaining we mayn't be preascertaining you mayn't be preascertaining they mayn't be preascertaining |
Perfect | V-ing perfect |
I mayn't have preascertained you mayn't have preascertained she mayn't have preascertained we mayn't have preascertained you mayn't have preascertained they mayn't have preascertained | I mayn't have been preascertaining you mayn't have been preascertaining she mayn't have been preascertaining we mayn't have been preascertaining you mayn't have been preascertaining they mayn't have been preascertaining |
Simple form | V-ing form |
may I preascertain? may you preascertain? may she preascertain? may we preascertain? may you preascertain? may they preascertain? | may I be preascertaining? may you be preascertaining? may she be preascertaining? may we be preascertaining? may you be preascertaining? may they be preascertaining? |
Perfect | V-ing perfect |
may I have preascertained? may you have preascertained? may she have preascertained? may we have preascertained? may you have preascertained? may they have preascertained? | may I have been preascertaining? may you have been preascertaining? may she have been preascertaining? may we have been preascertaining? may you have been preascertaining? may they have been preascertaining? |
Simple form | V-ing form |
mayn't I preascertain? mayn't you preascertain? mayn't she preascertain? mayn't we preascertain? mayn't you preascertain? mayn't they preascertain? | mayn't I be preascertaining? mayn't you be preascertaining? mayn't she be preascertaining? mayn't we be preascertaining? mayn't you be preascertaining? mayn't they be preascertaining? |
Perfect | V-ing perfect |
mayn't I have preascertained? mayn't you have preascertained? mayn't she have preascertained? mayn't we have preascertained? mayn't you have preascertained? mayn't they have preascertained? | mayn't I have been preascertaining? mayn't you have been preascertaining? mayn't she have been preascertaining? mayn't we have been preascertaining? mayn't you have been preascertaining? mayn't they have been preascertaining? |