In dialogue, speech tags are used to

clarify for the reader who is speaking
clarify for the reader who is doing the action
clarify the plot of the story
clarify the main theme of the story

One skater said to be other, "man, that was one gnarly flip out just did! " the skater is using jargon idiom slang general english

Iopened the door quietly, then stood in the doorway rewrite using ..ing participle

Read the excerpt from act ii, scene v of romeo and juliet. friar laurence: these violent delights have violent ends, and in their triumph die, like fire and powder, which, as they kiss consume: the sweetest honey is loathsome in his own deliciousness and in the taste confounds the appetite: 15 therefore love moderately; long love doth so; too swift arrives as tardy as too slow. friar laurence is motivated to offer this warning because he knows that something bad will certainly happen to the lovers. feels that romeo is acting foolishly and should not get married. enjoys giving advice because he is wise and can others. wants to caution romeo about the consequences of his actions.