To prevent sounding the g like j.

26. Give some words spelled differently in the U.S. and in England.

Woolen—woollen, honor—honour, etc.

27. When do words, ending in double e, drop one e on taking an additional syllable?

When the suffix begins with e.

28. Why?

To prevent three e's coming together.

29. Does pluralizing a word ever change the accent?

Sometimes it does.

30. Give an example.