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The past tense of "shine" is "shone" when used intransitively (without an object), and "shined" when used transitively (with an object).
If you mean: to book, it is 'booked'If you mean: the object book, there is no past tense for that because it is not a verb.
[object Object]
Rung is the past participle of ring. The simple past tense is rang.
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."
"Merry" is not a verb and has no tense; it can be used as an adjective or the object of the verb. You need the past tense of the verb used with merry. For example, if the sentence is "Let us make merry," the past tense would be "We made merry all evening long."
To discuss your own ideas, use the present tense. When discussing someone else's ideas, use the past tense.
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
"will be" is the future tense of "be". The past tense of "be" is "was/were".
LAID The original verb here is "to lay", a transitive verb requiring a direct object. The present tense is "lay" (such as a book on a table), past tense is "laid" and the past participle is "laid" such as I have laid the book on the table every evening. The verb that means to rest or recline (intransitive with no direct object) is "to lie", past tense is lay, and past participle is lain.
The past tense is she did.