In this lesson you will revise the correct use of the present perfect tense and practice describing charts
Present Perfect Tense
Use the present perfect tense when you are describing a trend that began in the past and is still continuing. This is very common in charts and graphs which show changes over time. Sentences like this may include since.
Sea levels have risen worldwide since 2005.
subject + has/have + past participle [+ since]
Exercise
Please open the exercise to continue.