i think twitter is a boring site facebook is better than it

Kevin works in a hospital. He operates on people. the form -verb + s or es or ies- is the form of the present simple tense which show a habit or fact Kevin is working in a hospital. He is operat (ing) on people. you must add ing to the verb this form - (is or are + verb + ing) -is the form of the present continous tense which show a continued action

i think you brought this phrase from f.b ok it means ( look at the mirror and you will see the best منو isn't a word in arabic may be it is not completed the campaign of(praise them in order to make them write a comment or click like) it is a joke