That is already in past tense form of the verb think :)
The past tense for "though" is "thought."
Lost. Lost is the past tense of lose. The past tense of loose is loosened, though some say loosed.
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
"will be" is the future tense of "be". The past tense of "be" is "was/were".
the past tense of am is was and the past tense of has is had
Lost. Lost is the past tense of lose. The past tense of loose is loosened, though some say loosed.
The past tense of suicide is "commited suicide". It can also be "suicided", though that's probably not a valid answer.
over-break is not a word. its two words together. use it in a sentence and then get back to me for the past tense. im surprised you know what past tense is though
The past tense is whited. (White is rarely used as a verb though)
the past tense of am is was and the past tense of has is had
The past tense of get is got. For isn't a verb and so doesn't have a past tense. The past tense of has is had. Had is already the past tense. The past tense of have is had.
"Multiple" is an adjective and "decisions" is a noun. There is no past tense for either. "Decide" is a verb though, the past tense being "decided." You could say "I made multiple decisions."
'Operation' is a noun not a verb, so it cannot have a past tense. A verb related to 'operation' might be operated, in which case the past tense would be be the same: operated. You could convey past tense though by adding did opreate, or had operated, but these are complex past tenses (with two verb forms).
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
The past tense of "will" is "would" and the past tense of "be" is "was" or "were" depending on the subject (singular or plural).
There is no past tense, it's a noun. So it is hypothesis. The plural form is hypothesi. 2nd Answer: . . . the commonly used plural, though, is hypotheses.
Wrote is past tense. It is the past tense of write.Wrote is already a past tense.