Present Perfect Simple vs. Present Perfect Continuous

• We use the present perfect simple to talk about completed actions and results. We use the present perfect continuous to focus on the duration of an ongoing action.
• Tense
• Form
• Use
• Example
• Present Perfect Simple
• have/has + past participle
• Completed actions, results, counting how many
• I have written three reports today.
• Present Perfect Continuous
• have/has + been + -ing
• Ongoing actions, duration, focus on the process
• I have been writing this report for two hours.
• Remember
• Use the present perfect simple with state verbs like know, seem, need.
• Use the present perfect simple to answer the question 'How much?' or 'How many?'.
• Use the present perfect continuous to answer the question 'How long?'.
• Do not use continuous forms with verbs of possession or mental states.
• Examples
• Mark has known about the delay since Monday.
• We have been working on the Austin project all morning.
• She has finalized two contracts this week.
• They have been discussing the budget for hours.
• Common mistakes
• I have been knowing him for five years.
• I have known him for five years.
• We have checked three invoices so far.
• We have been checking three invoices so far.

Complete the sentences

• Brian (write) ____ the progress report for three hours.
• How many tasks (you / finish) ____ this morning?
• Sarah (not / update) ____ the tracker yet.
• We (look into) ____ this bottleneck since Monday.
• Kevin (know) ____ about the schedule change for days.
• What (they / do) ____ all afternoon in Chicago?

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