Present Perfect Progressive

We form the present perfect progressive (sometimes called the "present perfect continuous") with have been + main verb + ing. We use this tense to talk about an on-going process that began in the past and may continue into the future.

For example, you might say, "I have been thinking about getting a new car for weeks." You first thought of getting a new car weeks ago, you're currently thinking of getting one, and unless you buy one or decide not to buy one right now, you'll continue thinking about it.