The present tense on volunteered is volunteer.
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)
Sociology focuses on the study of present society.
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The past tense of 'volunteer' is 'volunteered.'
The past tense is volunteered.
The word volunteered is a verb. It is the past tense of the verb volunteer.
The verb is is the present tense.
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
It was, (past tense) it is, (present tense) it will be( future tense)
Past tense I had Present tense I have Future Tense I will have
"Has" is in present tense. The past tense is "had".
No 'is' is present tense. am/is/are = present tense was/were = past tense
Present tense
the present of did is didnt Do is the present tense of did. Didn't is the past negative form
Should is present tense.