Test yourself using the Listen and Spell test.
One of the four ways of spelling the /er/ sound is using the letters ir. This list looks at a few of these ir words why not practise spelling the now? As you go through the list, say each word aloud and listen to the vowel sound.
"I would like to thank you so much for this great website. I have always been ashamed of my spelling but after a few lessons I am already better. It is filling in all the gaps. Thanks."
Student, France