3.a) Punctuation Rules. If the “when-clause” or the “while-clause” is used at the beginning of the sentence, use a comma after it. For example: When you left to school, I was driving to pick you up. While Richard was working in his studio, his wife was taking an online course. 3.b) Punctuation Rules. If the time clauses with “when
The simple past tense (e.g. worked ), referred to often as the past tense, is used to describe a completed action. The past progressive (e.g. was or were working) is used to describe an action that was in progress at some point in the past but has since been completed. The following excerpt from The Teacher's Grammar of English helps to clarifyVerb 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.
Actions in progress at a time in the past. Past Continuous is used to show something was happening at some point in the past. This point may be expressed as a certain time or another action in the past. Words that often signal this tense: while, during. I was living in Singapore during the 1990s. . 244 129 4 85 170 274 348 314past continuous tense while examples
