<p>POSSIBLE COMBINATION IN VERB PHRASES.</p><p>1- MODAL VERB (CAN, COULD, MUST, MAY MIGHT, SHALL, SHOULD, WILL, WOULD) + BARE INFINITIVE.</p><p>2- BE + V-ING (CONTINUOUS TENSES)</p><p>3- BE + V-ED (participle) (PASSIVE VOICE)</p><p>4- DO/DOES/DID + BARE INFINITIVE (QUESTIONS AND NEGATIVE SENTENCES IN PRESENT SIMPLE AND PAST SIMPLE)</p><p>5- HAVE + V-ED (participle) PERFECT TENSES. </p><p>ORDER OF AUXILIARIES.</p><p>QUESTIONS AND NEGATIVE SENTENCES IN PRESENT SIMPLE AND PAST SIMPLE (ACTIVE VOICE) </p><p>1 2 NEGATIVE SENTENCES SUBJECT DO/DOES/ DID NOT MAIN VERB He Does not understand they Did not come QUESTIONS DO/DOES/ DID SUBJECT MAIN VERB do you Think? did she Play?</p><p>LONGER VERB PHRASES</p><p>1 2 3 4 5 SUBJECT MODAL AUX PERFECT AUX CONTINUOUS AUX PASSIVE MAIN VERB HE SMOKES THEY ARE PAINTING WE MUST GO IT HAS DONE WE HAVE BEEN GOING IT WAS FINISHED THEY WERE BEING SENT IT HAD BEEN BEING SEARCHED IT MUST HAVE BEEN BEING SEARCHED IT HAS BEEN CLEANED HE WILL SEND WE WILL BE GOING HE WILL HAVE BEEN STUDYING IT WILL HAVE BEEN DEVELOPED I WOULD GO SHE WOULD HAVE GONE WE WOULD BE LYING HE WOULD HAVE BEEN WORKING IT WOULD HAVE BEEN CLEARED VERB FORMS I Possible m P P F C P Conti A P p r a u o e nuous c a o e s t n r t s s s t u d f i s s e r i e v i i n e t c e v b t i t e l o e n a l s Are yousee? I hadn’tbeing I wasseen Itleft Haveyou be doing? Shewillhavefinished Wecould be doing I am help He mustleft He must has left He musthaveleft Haveyoubeendoing? Shewasphone Itcould be done Itisleaving Itwillfinished I would be finishing We has done Theyhaddoing Theyhadbeendoing They will have been working He will be working I didn’tseen Ithadbeenleft I wassent I havesent I will have been sent It was being searched He didn’t worked It has beenbroken He wasarrived He don’tstudies. He wasphoned I would be watching He will be sit It might have been sent Shewillstudies. I didn’tsaw I hadbeenlooking Shewascrying Itwill be sent Itwasbeingtaken Wewasworking Wewill be sitting It could have been solved It was cooked It would be set Hadyousaw It would have been written</p>