spell words with more advanced orthographic patterns and rules:

1. plural rules (e.g., words ending in f as in leaf, leaves; adding -es);
2. irregular plurals (e.g., man/men, foot/feet, child/children);
3. double consonants in middle of words;
4. other ways to spell sh (e.g., -sion, -tion, -cian); and
5. silent letters (e.g., knee, wring);