Modal + Perfect Continuous tense - Englishpage
www.englishpage.net › showthreadAug 19, 2004 · Modal + Perfect Continuous tense. Here I have used the structure : “Modal + Perfect continuous tense.†. Tell me whether the following sentence is correct or not. ----------------------. Now, I am going to tell you about some easy procedure to protect yourself from disease which you “could have been using†from your childhood.
Modal Forms | ENGLISH PAGE
www.englishpage.com › modals › modalformsModal Simple I should clean the room once a day. Passive Modal Simple The room should be cleaned once a day. Modal Continuous I should be cleaning the room now. Passive Modal Continuous The room should be being cleaned now. Modal Perfect I should have cleaned the room yesterday. Passive Modal Perfect The room should have been cleaned yesterday.