For each of the following sentences, write the elliptical clause. Next to it, write out the full adverb clause, adding the understood words.

1). The Dead Sea in Israel has a lower elevation than Death Valley in California.
2). I enjoy Jerusalem more than Tel Aviv.
3). Israel's population is larger than Ireland's.
4). Israel's history is as interesting as ours.
5). I have spent more time in Israel than in Lebanon.

I am unsure of the directions as well as the answers to these problems. Can someone help me?

An elliptical clause has some words left out. I'll underline the elliptical clause.

1). The Dead Sea in Israel has a lower elevation than Death Valley in California does.

2). I enjoy Jerusalem more than I do Tel Aviv.

Study this site and try the others.

http://www.english-grammar-revolution.com/adverb-clause.html

I'll be glad to check your answers.

Sure, I can help you with that! Let's break down each sentence and identify the elliptical clauses as well as the full adverb clauses:

1) The Dead Sea in Israel has a lower elevation than Death Valley in California.

- Elliptical clause: than Death Valley in California.
- Full adverb clause: The Dead Sea in Israel has a lower elevation than Death Valley in California.

In this sentence, the elliptical clause "than Death Valley in California" is an adverb clause that compares the elevation of the Dead Sea in Israel to that of Death Valley in California.

2) I enjoy Jerusalem more than Tel Aviv.

- Elliptical clause: than Tel Aviv.
- Full adverb clause: I enjoy Jerusalem more than (I enjoy) Tel Aviv.

Here, the elliptical clause "than Tel Aviv" is an adverb clause that indicates the comparison of enjoyment between Jerusalem and Tel Aviv.

3) Israel's population is larger than Ireland's.

- Elliptical clause: than Ireland's.
- Full adverb clause: Israel's population is larger than (Ireland's population).

In this sentence, the elliptical clause "than Ireland's" is an adverb clause that compares the population of Israel to that of Ireland.

4) Israel's history is as interesting as ours.

- Elliptical clause: as ours.
- Full adverb clause: Israel's history is as interesting as (our history).

Here, the elliptical clause "as ours" is an adverb clause that compares the interest level of Israel's history to that of "our" history (which refers to the speaker or the people being addressed).

5) I have spent more time in Israel than in Lebanon.

- Elliptical clause: than in Lebanon.
- Full adverb clause: I have spent more time in Israel than (I have spent time) in Lebanon.

In this sentence, the elliptical clause "than in Lebanon" is an adverb clause that compares the amount of time the speaker has spent in Israel to that of Lebanon.

By analyzing each sentence, we can identify the elliptical clauses and convert them into full adverb clauses by adding the understood words.