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.
Wiktionary(0.00 / 0 votes)Rate this definition: past tense(Noun) Past tense is the form of language used to refer to an event, transaction, or occurrence that did happen or has happened, or an object that existed, at a point in time before now.