How large is a typical four-year-old child's usable vocabulary?

The excerpt is from a longer essay on huckleberry finn by mark twain. what kind of support is used to develop the writer's main idea regarding how twain brought his characters to life?

Chan was leading a group discussion in his university. he discovered that a few participants were dominating the discussion and not letting others speak. what should chan do in such a situation a. chan should allow participants to speak until they are finished b. chan should adjourn the discussion and recommence at a later point c. chan should bar the dominant participants have the freedom to share their opinion d. chan should ensure that all participants have the freedom to share their opinion e. chan should restructure the group so that the dominant participants are isolated

Leslie would probably have come with us if she didn’t work all summer. which is the verb phrase?