Between is a preposition and so doesn't have a past tense. Only verbs have tenses.
Sent is past tense, whereas Send is future tense.
present is today and past tense is it has already happened.
the past tense of am is was and the past tense of has is had
The past tense of "has" is "had" and the past tense of "have" is "had."
Was and were are both the past tense of be. The present tense is: I am he is you are they are The past tense is: I was he was you were they were
had is the past tense of have. Have is the infinitive and also may be the present tense, as in I have or we have or they have.
Past tense
"will be" is the future tense of "be". The past tense of "be" is "was/were".
The past tense is she did.
The word "were" is past tense. It is the past tense of the verb "to be."
The past tense of "will" is "would". The past tense of "to be" is "was" or "were".
present indifinite