Present simple exercises online | Lingbase
lingbase.com › grammar › present-simpleThese exercises are perfect for revision of the simple present tense. How it is formed, addition of -s in the third person singular, the auxiliary verb do/does in negations and questions, where to use the present simple. if you are not sure about any of these smaller topics, we recommend to go to the “Related” block and study each topic separately. Start from “to be” in the present simple positive.