the past tense and the present continuous. Because the aspect (duration) of the occurrence is also important, others include the present continuous, the past continuous, present perfect and the ...

But the latest musician to take Cyrus to task is indie singer/songwriter Sufjan Stevens—not for Cyrus’s outrageous behavior but for her failure to grasp the present perfect continuous tense.

We use the present perfect continuous to talk about an activity that started in the past and is continuing now or has recently finished. Some verbs are almost never used in the present perfect ...