What title was stalin given in 1922

Ineed badly ! i got to get this done and i can't get it done tomorrow! 1. expand the meaning of each sentence by adding adjectives. (dinner cooks.) (clown chuckled.) (car raced.) (dancer spun.) (panthers growled.) (leaves fall.) (bread baked.) (lake glistened.) (ship glides.) 2. using the sentences above, expand the meaning by adding adverbs. 3. using any five of the sentences from #2, expand the meaning by adding a compound word to each sentence. 4. using any three of the sentences from #3, expand the meaning by adding a prepositional phrase to each sentence. 5. using any one of the sentences from #4, expand the meaning by adding a synonym to this sentence.

Used for an event that has been completed before the present moment in time. simple past past perfect perfect progressive past perfect progressive

What is the italicized part in the sentence , all of the operators are efficient.