Verb Tenses - Skyline College
www.skylinecollege.edu › ReaderVerbTensesExercise 4 – Progressive Tenses In the following sentences, change the simple tense verbs to progressive tense verbs using the same time period (present, past, future). Avoid the perfect tense for this exercise. Example: Martians land on the planet Earth. (present) Martians are landing on the planet Earth. (present progressive)
Verb Tenses Exercises - GrammarBank
www.grammarbank.com › verb-tenses-practiceVerb Tenses Practice Exercises. Online printable verb tenses exercises for ESL/EFL students and teachers: Several fill in the blanks exercises and multiple choice quizzes to help you learn and practice verb tenses or to print for classroom use. Answers for all the exercises, quizzes are available at the bottom of each exercise.