Use a word in an inappropiate context, maybe because they don´t learn the word correctly o because they invent the word.
- I´m goint to tell you a story / Im´going to tell you a history
- I have a can / I have a dog
It´s important to correct this kind of errors because they could build vices but we can do it repeating the word they said correctly (in an inderect way) but always without pressing them.
This video is an example of a lexical/semantic problems. It belongs to the Shrek´s film and tells the differences of translations from one language from another
You can use this kind of activities in your class for children improve their vocabulary and they can see how the words are written
Other good method to adquire vocabulary and be confident how words are written could be playing to this board game below (scrabble):
