When adding a suffix you might have to double the last letter. For example, when adding -ed to 'drop', you need to double the 'p'. Use the following words to fill in the gaps in the sentences below.
Sometimes the root form of a word isn’t enough. You need to add a group of letters to the end of a word to make a new word. For example, if the suffix ‘ing’ is added to the end of the word ...