Conjugaison du verbe anglais MUST UNDERTAIN
Verbe régulier : undertain - undertained - undertained
Affirmation
Forme simple
I must undertain
you must undertain
she must undertain
we must undertain
you must undertain
they must undertain
Forme en V-ing
I must be undertaining
you must be undertaining
she must be undertaining
we must be undertaining
you must be undertaining
they must be undertaining
Perfect
I must have undertained
you must have undertained
she must have undertained
we must have undertained
you must have undertained
they must have undertained
Perfect en V-ing
I must have been undertaining
you must have been undertaining
she must have been undertaining
we must have been undertaining
you must have been undertaining
they must have been undertaining
Négation
Forme simple
I must not undertain
you must not undertain
she must not undertain
we must not undertain
you must not undertain
they must not undertain
Forme en V-ing
I must not be undertaining
you must not be undertaining
she must not be undertaining
we must not be undertaining
you must not be undertaining
they must not be undertaining
Perfect
I must not have undertained
you must not have undertained
she must not have undertained
we must not have undertained
you must not have undertained
they must not have undertained
Perfect en V-ing
I must not have been undertaining
you must not have been undertaining
she must not have been undertaining
we must not have been undertaining
you must not have been undertaining
they must not have been undertaining
Forme interrogative
Forme simple
must I undertain?
must you undertain?
must she undertain?
must we undertain?
must you undertain?
must they undertain?
Forme en V-ing
must I be undertaining?
must you be undertaining?
must she be undertaining?
must we be undertaining?
must you be undertaining?
must they be undertaining?
Perfect
must I have undertained?
must you have undertained?
must she have undertained?
must we have undertained?
must you have undertained?
must they have undertained?
Perfect en V-ing
must I have been undertaining?
must you have been undertaining?
must she have been undertaining?
must we have been undertaining?
must you have been undertaining?
must they have been undertaining?
Forme interro-négative
Forme simple
must I not undertain?
must you not undertain?
must she not undertain?
must we not undertain?
must you not undertain?
must they not undertain?
Forme en V-ing
must I not be undertaining?
must you not be undertaining?
must she not be undertaining?
must we not be undertaining?
must you not be undertaining?
must they not be undertaining?
Perfect
must I not have undertained?
must you not have undertained?
must she not have undertained?
must we not have undertained?
must you not have undertained?
must they not have undertained?
Perfect en V-ing
must I not have been undertaining?
must you not have been undertaining?
must she not have been undertaining?
must we not have been undertaining?
must you not have been undertaining?
must they not have been undertaining?
Verbe au hasard
affect - amass - arm - beat - bend - brake - calculate - clear - cone - contaminate - crawl - cycle - decay - designate - disagree - dislike - dry - ear - earn - emcee - envisage - fear - fluster - fly - grind - jar - lay - let - log - marry - pray - prepare - proceed - restore - revolve - row - stain - sum - to be - to do - to go - to have - undertain - welcome