Regular verb: correct - corrected - corrected
Simple form | V-ing form |
I must correct you must correct she must correct we must correct you must correct they must correct | I must be correcting you must be correcting she must be correcting we must be correcting you must be correcting they must be correcting |
Perfect | V-ing perfect |
I must have corrected you must have corrected she must have corrected we must have corrected you must have corrected they must have corrected | I must have been correcting you must have been correcting she must have been correcting we must have been correcting you must have been correcting they must have been correcting |
Simple form | V-ing form |
I mustn't correct you mustn't correct she mustn't correct we mustn't correct you mustn't correct they mustn't correct | I mustn't be correcting you mustn't be correcting she mustn't be correcting we mustn't be correcting you mustn't be correcting they mustn't be correcting |
Perfect | V-ing perfect |
I mustn't have corrected you mustn't have corrected she mustn't have corrected we mustn't have corrected you mustn't have corrected they mustn't have corrected | I mustn't have been correcting you mustn't have been correcting she mustn't have been correcting we mustn't have been correcting you mustn't have been correcting they mustn't have been correcting |
Simple form | V-ing form |
must I correct? must you correct? must she correct? must we correct? must you correct? must they correct? | must I be correcting? must you be correcting? must she be correcting? must we be correcting? must you be correcting? must they be correcting? |
Perfect | V-ing perfect |
must I have corrected? must you have corrected? must she have corrected? must we have corrected? must you have corrected? must they have corrected? | must I have been correcting? must you have been correcting? must she have been correcting? must we have been correcting? must you have been correcting? must they have been correcting? |
Simple form | V-ing form |
mustn't I correct? mustn't you correct? mustn't she correct? mustn't we correct? mustn't you correct? mustn't they correct? | mustn't I be correcting? mustn't you be correcting? mustn't she be correcting? mustn't we be correcting? mustn't you be correcting? mustn't they be correcting? |
Perfect | V-ing perfect |
mustn't I have corrected? mustn't you have corrected? mustn't she have corrected? mustn't we have corrected? mustn't you have corrected? mustn't they have corrected? | mustn't I have been correcting? mustn't you have been correcting? mustn't she have been correcting? mustn't we have been correcting? mustn't you have been correcting? mustn't they have been correcting? |