I have been thinking
Have >> auxillary verb
Been >> auxillary verb too or main verb?
Thinking >> name or main verb?
"have" and "been" are both auxiliary verbs; the main verb is "thinking". "has/have been thinking" is the present perfect continuous tense of "think". mango536 name or main verb?
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"have" and "been" are both auxiliary verbs; the main verb is "thinking". "has/have been thinking" is the present perfect continuous tense of "think".
mango536name or main verb?
I think you may mean "noun" rather than "name".