"Leave" is the present tense; "left" is the past tense and past participle.
Past tense: left Present tense: leave Future tense: will leave
The word "do" is used in both present and past tenses. In present tense, it is used as an auxiliary verb to form questions and negatives (e.g. Do you like coffee? I do not know). In past tense, it can be used as the past tense of "do" (e.g. He did his homework).
"Have" can be used as both a present tense verb (e.g., "I have a book") and a past tense verb (e.g., "I had a book").
"received" is the past tense. The present tense of that word is "receive"
Present tense - am, is and are. Past tense - was and were.
the word "was" is in the past, but the present tense of "was" is are
The past tense of 'present' is presented.
Past tense - was/were Present tense - am/are/is
The word industry doesn't have a past tense or a present tense as it is a noun.
"Know" is present tense. The past tense of "know" is "knew."
The word "had" is a past tense verb.
"Has" is in present tense. The past tense is "had".