Apply spelling rules and guidance, as listed in English Appendix 1

1. Writ ... ing? - Add "ing" to the base word, changing if necessary (1)
2. Writ ... ing? - Add "ing" to the base word, changing if necessary (1)
3. Writ ... ing? - Add "ing" to the base word, changing if necessary (1)
4. Writ ... ing? - Add "ing" to the base word, changing if necessary (1)
5. Writ ... ing? - Add "ing" to the base word, changing if necessary (1)