These questions keep the action connected to the present but change what matters most. Decide whether the sentence points to a finished result, the activity over time, or evidence that the activity has recently been happening.
Find the focus of the sentence
Look beyond for, since and so far. Those expressions establish a period reaching the present, but they do not choose simple or continuous by themselves. Search for the complement and the second clause: an exact total, every, all plus a completed set, or a stated finished result points to the simple form. A duration with work still unfinished, a process emphasised over time, or a visible side effect points to the continuous form.
| What the sentence foregrounds | Form to consider |
|---|---|
| A completed total or finished product | Present perfect simple: the result is bounded and countable. |
| An activity whose process or duration is explicitly foregrounded | Present perfect continuous: the process, rather than a completed output, is in focus. |
| A recent activity inferred from a present side effect | Present perfect continuous, even if the activity may just have stopped. |
| A continuing situation with live, work or teach plus for or since | Both simple and continuous are standard; the continuous may place slightly more attention on the activity. |
| A continuing activity with no required contrast between process and accumulated duration | Both may be standard: the continuous foregrounds the process, while the simple can express duration accumulated up to now. |
Use a two-pass check. First confirm that the period reaches the present, so a present-perfect form is needed. Then identify the intended focus. Do not assume that a long duration or unfinished activity always makes the simple form impossible: both forms can express some continuing activities. When the wording explicitly contrasts process with completed output, follow that focus; a completed total still requires the simple form even inside an open period.
Where the wrong turns occur
- The continuous is paired with an exact number of finished items. This presents unbounded activity when the sentence deliberately counts completed results; choose the simple form.
- The simple form is chosen even though the wording explicitly asks you to foreground ongoing activity rather than completed output. In that focused contrast, choose the continuous form; without such a contrast, duration alone may allow both.
- The simple form is chosen merely because the recent activity may have stopped. When the main evidence is a present trace such as dust, mud or wet clothing, the continuous explains the activity behind that trace.
- A past-simple or present-continuous form replaces the perfect in a period extending to now. Neither expresses the full earlier-to-present span required here; establish the present-perfect frame before choosing its simple or continuous member.
Try it
Rina joined the clinic in 2021 and still works there. Select all standard sentences that express this continuing situation.
- Rina has worked at the clinic since 2021.
- Rina has been working at the clinic since 2021.
- Rina worked at the clinic since 2021, and she still works there.
- Rina is working at the clinic since 2021.
Complete the sentence with the correct form of the verb in brackets: The children ___ in the garden for two hours and have not finished their game. (play)
The mechanic ___ six bicycles so far today, and all six are ready for collection.
- has repaired
- has been repairing
- repaired
- is repairing