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By adding the -ing ending to a verb, the gerund is created. Look at the following examples of present progressive sentences to gain a better understanding. You ... Jul 3, 2020 ... ” When a present participle is used as postmodifier, it is usually a simple tense in a ... sentences above have a perfect tense and whose present. varying atmospheric stability regimes using measurements from a single scanning lidar; ... include the following sentence: “these levels were chosen to create ... Nov 16, 2020 ... Answer · Rohan is preparing for his exams. · I am learning to cook. · They are waiting for us. · The boys are playing with the ball. · It is raining. Other uses of present continuous. Other uses of present simple. Temporary ... See Grammar 4 for contrasts between past simple and present perfect verb. Simple Present vs Continuous · Simple Past Tense · Past Continuous Tense ... Complete the following sentences using present continuous tense. (positive ... Exercise 1. Choose for or since to complete the following present perfect sentences. 1 I ... Complete the following sentences with Present Simple: My sister doesn't play (not/ play) tennis every day. I study (study) English at school from Monday to ... In the following examples, identify the simple present tense verb (or verbs) in the sentence. 1. We travel to San Diego every summer. 2. Lacey and her mom talk ... Jun 30, 2022 ... ... present work. Yuan et al. used an ex vivo ... We also added the following sentences in the corresponding Results section (Line 185-189).