Although research suggests that Continuous Passive Motion (CPM) should be implemented in the first rehabilitation phase after surgery, there is substantial debate about the duration of each ...

The trend toward passive investing has accelerated in the past decade, boosting the asset share of indexed mutual funds and ...

Abdul Weli from Somalia writes: I would like to know more about the passive. Most reference books say that the present perfect continuous tense has no passive form. Yet, at the same time ...

This is the person or thing doing the verb. The passive voice is made with subject + to be + past participle + by + object. Note that the active voice object becomes the passive voice subject.