Bonjours pouvez vous m’aidez svp

What is the verbal group and what is it composed of? "000,000 slaves ware brought to America. What is the subject of this verb? Is the subject the one who does the action? Suggest an end for this sentence: What is the name of this structure, where the subject "suffers" from the action (instead of doing it)? There are more in the texts. Find 4 of them, rewrite them and, for each one, say who does the action: b. d.​