The past tense of cooperate is cooperated.
Sob in past tense is sobbed.
Survey can be a noun or a verb depending on how it is used in a sentence. See the examples below: She will survey the students to find out which television shows are most popular. (survey = verb) Please fill out the survey and mail it to our district office. (survey = noun)
The word 'oppressed' is the past participle, past tense of the verb to oppress.The past participle of the verb also functions as an adjective.The noun forms of the verb to oppress are oppressor, oppression, and the gerund, oppressing.
The present tense on volunteered is volunteer.
support, cooperate, contribute
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."
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 is she did.
The word "were" is past tense. It is the past tense of the verb "to be."
The past tense of "will" is "would". The past tense of "to be" is "was" or "were".
The past tense of "you will not" is "you would not."
The past tense is had.
The past tense of "am" is "was" and the past perfect tense of "has" is "had."
HAD is the Past Tense of TO HAVE.
Past tense I had Present tense I have Future Tense I will have