"often" is an adverb, it doesn't have a tense.
present perfect progressive
The past simple tense is meant.(pronounced ment)The present perfect tense is have/hasmeant, and the past perfect tense is had meant.The past progressive tense is was meaning / were meaning.The past perfect progressive is had been meaning.
It is an adverb, not a verb,; it can accompany a Present, a Past, a Present Perfect, a Past Perfect and a Future verb.
Have/has been.
'Had seen' is the past perfect tense.The present perfect tense would be 'have/has seen'.
The present perfect tense of form is:I/You/We/They have formed.He/She/It has formed.
The present perfect form of "to be" is "have been" for plural subjects (I, you, we, they) and "has been" for singular subjects (he, she, it).
Have/has presented.
To form the progressive tense of a verb, you typically add a form of "to be" (am, is, are, was, were) before the present participle of the verb. For example, in the sentence "I am eating," "am" is the form of "to be" and "eating" is the present participle of the verb "eat."
The present perfect form of the verb "to be" is "have been" or "has been", depending on the subject. For example: "I have been," "You have been," "He/She/It has been," "We have been," "You have been," "They have been."
Present perfect tense.
It is "have/has posted".
Danced
Present perfect - have/has thought. Past perfect - had thought. Future perfect - will have thought.
The present perfect is has/have + a past participle.I have seen that movie already.She has seen that movie, too.
I/you/we/they have been. He/she/it has been.
I/you/we/they have been. He/she/it has been.