There are 4 main ways of spelling this vowel sound.
There are no rules to help you decide which spelling to use - you have to rely on your visual memory.
Say the words aloud and listen to the vowel sound:
ur as in Thursday
ir as in first
ear as in earth
er as in person
The most common way to spell the weak vowel sound on the end of a word is with the letters er.
Here are just a few of those words.
