The present tense on volunteered is volunteer.
The past tense of cooperate is cooperated.
Sob in past tense is sobbed.
what is the percentage of water present in the ocean and in land
Sociology focuses on the study of present society.
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 past tense is volunteered.
The past tense of "to volunteer" is "volunteered."
The word volunteered is a verb. It is the past tense of the verb volunteer.
'is' is a present tense
The verb is is the present tense.
Present perfect tense.
The present tense of "will be" is "am/is/are." For example, "I am," "he is," "they are."
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
has is present tense, had is past tense
"you do" is present tense. The past tense is "you did" and the future tense is "you will do".
No 'is' is present tense. am/is/are = present tense was/were = past tense
it's present tense actually