An elliptical clause is a kind of clause with an ellipsis; meaning that there are words that are left out. So here are two sentences using elliptical clauses.
The sentence using than:
-She sees you more often than I. (The missing words here are "I see you")
The sentence using as:
-He likes the movie just as I do. (The missing words here are "I like it).
Hope this examples help.
He was interested in being completely surrounded by nature.
We are talking about Cassius speaking to Brutus and the main emotions that they reflect are a mix of anxiety and urgency about the scheme they are planning. When they say they fear they might be discovered when they say to each other: "I fear our purpose is discoverèd" or "<span>be sudden, for we fear prevention</span><span>" </span>