Past should be used.
The modal verbs do not have past participles: * can * may * must * shall * will
The word "passed" is a verb, or adjective meaning "went by." The word "past" is a noun for a previous time, or an adjective mean "gone by, or gotten by." Examples : During the long ride, we passed the time by playing games. The car passed the truck on the road. (The quarterback passed the ball to his receiver.) Much time had passed before we could return to the flooded area. It was past (the) time that something should have been done. Somehow the thief had gotten past the guards. Archaeologists study things that lived in the past.
the answer for the homophone for past is passed
The homophone for passed is past.
The past tense of "pass" is "passed," and the past participle is also "passed."
The homophones for "passed" are "past" and "fast."
The homophone for "past" is passed. Example sentence: Susan passed the test.
Shall is an auxiliary verb, that is it is used before and in conjunction with another verb, as in, ...shall go... or ...shall be. The past tense of shall is shouldand is typically used with another auxiliary verb such as have, as in, ...should have gone... or ...should have been.
It is passed. Past is used as a noun (times gone by), an adjective (previous) or adverb (beyond). Example : "I passed the test. I passed the football. I passed the church while driving." Example : "He studies the past. The danger is past. I drove past the church."
past PAST when talking about time. 1987 was in the past. PASSED when talking about people. My dad passed away in 1990.
Yes, "will" is the past tense of "shall". For example, "I shall go tomorrow" becomes "I will go tomorrow".
Shall is an auxiliary verb and should used to be the past form but now there seems to be little connection between the two verbs.