Also known as: Oxacillin-resistant Staphylococcus aureus (ORSA), Methicillin-resistant S. aureus (MRSA) Microbiology: MRSA is a Gram-positive coccus that is catalase positive and oxidase negative with a characteristic âbunch of grapesâ appearance under the microscope due to the activity of the coagulase enzyme.
The past tense of read would be read. Though they are speeled the same, the present tense is pronounced like reed while the past tense is pronounced like red.
Past Tense. Definition of Past Tense. In grammar, past tense refers to a verb-tense combination whose sole purpose is to state an action to have happened in the time that has passed. It is second to present tense, in which the action takes place in the present moment. A sentence in past tense always uses the second form of verb.