They are still as flat and horizontal as when first formed; yet since their origin not only have most of the actual mountain-chains been uplifted, but the very rocks of which those mountains are composed have been formed.
But we have no data, as yet, to warrant the conclusion, that a single permanent hybrid race has ever been formed, even in gardens, by the intermarriage of two allied species brought from distant habitations.
We know that this instrument has been perfected by the long-continued efforts of the highest human intellects, and we naturally infer that the eye has been formed by a somewhat analogous process.
When also the other systems have been formed out of the identical nervous mass, still the whole animal body is naught but nervous mass, only, in a crude or inert condition.
If the intestine and body be the root, the lung the foliage, so is the lymphatic and vascular system the stem, in which the most perfect substances have been formed.
The province of the Yellow river and Louisania have, in like manner, been formed by the soil from the rivers.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "been formed" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
