The ictus naturally falls upon a long syllable (or its equivalent).
A long syllable is generally considered to be twice the length of a short one.
A long syllable is usually reckoned to be equal to two short ones.
A Diphthong makes always a long Syllable, unless one of the vowels be droped.
For instance, epic writers cannot vary their metre, for all the lines must necessarily be hexameters; nor yet the rhythm, for they must use those feet that begin with a long syllable, and not all even of these.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "long syllable" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.