I do believe it is 'had been' depends on what context I believe.
The past tense of "differ" would be "differed".
"Was" is the past tense (first and third person singular).I wasWe wereYou wereHe/She/It wasThey were
No, was is past tense. It is used for first and third person singular subjects.I was (first person singular)We were (first person plural)You were (second person singular and plural)He/She/It was (third person singular)They were (third person plural)
WENT is the past tense of GO I went you went (singular) he went she went it went we went you went (plural) they went Examples are: He went to the bathroom to wash his hands. They went crazy when the police arrived.
Hide is present tense, not past tense. The past tense is hid.
The singular past tense of "have" is "had."
The past tense of have is had for both singular and plural subjects.
The past tense of "will" is "would". The past tense of "to be" is "was" or "were".
The past tense of finish is finished. The past tense of be is was/were.
It is past tense, first person singular
depends on if its: past tense indicative singular 1: sende past tense indicative singular 2: sendest past tense indicative singular 3: sende past tense indicative plural 1,2,3: sendon past tense subjunctive singular 1,2,3: sende past tense subjunctive plural 1,2,3: senden Participles: sended, send
The second person singular, past tense is jumped: You jumped right over the obstacle.
The third person singular past tense of "hear" is "heard."
Lost is the past tense of lose. In the past tense, it's the same for all persons.
Had is the past tense of have. Has is the present tense, third person singular conjugation of have.
Has is the present tense, third person singular conjugation of have. The past tense and past participle of have is had.
No, "is" isn't the past tense of is. "Is" is the present tense, third person singular conjugation of be. The past tense of "is" is "was".