Change to passive voice -
1. they fixed the time at 10'o clock.
2. they saw the clouds thundering.
3. one uses milk for making butter and cheese.

Central ideas are the most ideas in a text.

Which sentence about subject-verb agreement is not true? a. singular subjects go with singular verbs. b. plural subjects go with plural verbs. c. when the subject and the verb go together, they agree. d. plural verbs go with singular subjects.

Which verb from is used to indicate the perfect progressive tense