Here is a collection of rulles about when to use what suffixes, and how to spell them. Won't answer all your questions, but it's a start!

1. Suffixes Rule 1
When a word ends with a short vowel sound
and a single consonant...
...double the final consonant.
shop shopped
begin beginning
chat chatter
© Copyright 2009, SparkleBox Teacher Resources (SpakleBox KS2 - www.sparklebox2.co.uk)
Can you think of others?

2. Suffixes Rule 2
When a word ends in silent ‘e’,
drop the ‘e’ ...
...the suffix begins with a vowel.
drive driving
e
use used
e
hope hoping
e
© Copyright 2009, SparkleBox Teacher Resources (SpakleBox KS2 - www.sparklebox2.co.uk)
Can you think of others?

3. Suffixes Rule 3
When a word ends in silent ‘e’,
keep the ‘e’ ...
...the suffix begins with a consonant.
like likely
use useless
hope hopeful
© Copyright 2009, SparkleBox Teacher Resources (SpakleBox KS2 - www.sparklebox2.co.uk)
Can you think of others?

4. Suffixes Rule 4
When a word ends in ‘ce’ or ‘ge’,
keep the ‘e’ ...
...the suffix begins with ‘a’ or ‘o’.
notice noticeable
change changeable
advantage advantageous
© Copyright 2009, SparkleBox Teacher Resources (SpakleBox KS2 - www.sparklebox2.co.uk)
Can you think of others?

5. Suffixes Rule 5
When a word ends with ‘y’
change it to ‘i’
...when the suffix is ‘ing’.
baby babies vary varying
duty dutiful cry crying
army armies copy copying
© Copyright 2009, SparkleBox Teacher Resources (SpakleBox KS2 - www.sparklebox2.co.uk)
Can you think of others?

6. Suffixes Rule 6
When a word ends with a vowel before the ‘y’...
...keep the ‘y’.
boy boys Exceptions
day > daily
play played say > said
pay > paid
enjoy enjoyment lay > laid
© Copyright 2009, SparkleBox Teacher Resources (SpakleBox KS2 - www.sparklebox2.co.uk)
Can you think of others?

7. Suffix Examples
sing singing
stop stopped
employ employment
shame shameful
charge chargeable
love lovely
cry cries
© Copyright 2009, SparkleBox Teacher Resources (SpakleBox KS2 - www.sparklebox2.co.uk)