Choose the correct form of the verb 'play' from the options below :
They ______ (play) since four O'clock.

Question

Choose the correct form of the verb 'play' from the options below : 
They ______ (play) since four O'clock.

Accepted Answer

Option 4, "have been playing," is the correct answer because it uses the present perfect continuous tense. This tense is used to describe an action that started in the past and is still continuing in the present. The phrase "since four O'clock" indicates a specific starting point in the past, and the implied meaning is that they are *still* playing. Therefore, the present perfect continuous tense is the most appropriate choice.

Here's why the other options are incorrect:

*   **Option 1: have played:** This uses the present perfect tense. While it indicates an action completed in the past with relevance to the present, it doesn't emphasize the *duration* of the action. "They have played since four O'clock" sounds awkward and doesn't convey the continuous nature of the activity. It implies they finished playing at some point after four o'clock, which contradicts the intended meaning.

*   **Option 2: will play:** This uses the future simple tense. It indicates an action that will happen in the future. Since the sentence includes "since four O'clock," which refers to a past time, the future tense is grammatically incorrect and illogical.

*   **Option 3: play:** This uses the simple present tense. The simple present tense is used for habitual actions or general truths. It doesn't fit the context of an action that started at a specific time in the past and is ongoing. "They play since four O'clock" is grammatically incorrect and doesn't make sense.