must( there isnt one)
The simple past tense of 'am' is 'was' or 'were'
The simple past tense is took.
Simple is not a verb, so it doesn't have a past tense.
Didn't
Moved
Fast, the past tense of must is not musted. Must does not have a simple past tense, in its place "Had to" is used in most cases.
The simple past is had.
The past simple of "have" is "had."
Past simple and simple past are both the same thing. They are both the past tense of a verb.
The simple past tense is climbed.
The simple past and past participle are both 'had'.
The simple past and past participle are both brought.
The simple past tense is studied.
"Listened" is the past simple of "listen" as well as the past participle.
Had is the past of have. A past simple sentence:I had a headache this morning
The simple past tense is blew. The past participle is blown.
The past participle of "walk" is "walked" and the simple past is also "walked."