Words ending in ‘-able’ and ‘-ible’ sound almost exactly the same, so here are some rules about the spelling patterns.
GT Letters takeaways
Past Participles ‘as planned’
‘Things didn’t go as planned’ or ‘as we had planned’? What to drop when you use past participles.
ellipsis
What is ellipsis? It’s when you drop unnecessary words, usually to avoid repetition. Should you do this?

willing to or want to?
Are you saying ‘I’m willing to’ when really you mean ‘I want to’? In this lesson you’ll find out the differences so you can use them correctly.
Which is the best online IELTS writing checker?
There are more and more AI writing checkers becoming available. Do any of them work well?
get
‘Get’ is a really useful little word when you’re trying to sound less formal. Here are some common expressions.
have or get something done
When you start a sentence with a noun/ing form, you need a singular verb, no matter what comes after the noun.
How to tell a story
The skill of storytelling is important in different parts of the test. Here’s a summary of where to find practice.
Formal vs Informal language
Learn the best formal and informal alternatives for both Writing Task 2 and General Training Letters.