In the English language logo is a noun, not a verb. Nouns do not have tenses.
A ship is a ship, whether in the past, the present or the future.
And a logo is always a logo. Unless, of course, it was a logo. But it is the verb that changes, not the noun.
Logo is a noun, and nouns don't have tenses.
All three words, 'Spell past tense' are correctly spelled.
You spell the past tense of settle like this: Settled
The past tense is discussed.
The past tense is murmured.
Logo is a noun, and nouns don't have tenses.
The past tense of have is had.
have in past tense is had
All three words, 'Spell past tense' are correctly spelled.
You spell the past tense of settle like this: Settled
The past tense is fared.
The past tense is gardened.
The past tense is gassed.
The past tense is coasted.
The past tense is benefited.
The past tense is traveled.
The past tense is roped.