Spelling further words with the suffix -ing | Exit Quiz | Oak National Academy

What rule is being used when the word 'refer' becomes 'referring' when adding the suffix -ing?

• Just add -ing.

• Remove the 'e' and add -ing.

• Double the consonant and add -ing.

Answer explanation

The final consonant is doubled when the root word has two syllables and the final syllable is stressed, like 'refer' - 'referring', or in a single syllable word with a short vowel followed by a single consonant letter, like 'clap' - 'clapping'.

What rule is being used when the word 'hug' becomes 'hugging' when adding the suffix -ing?

• Just add -ing.

• Remove the 'e' and add -ing.

• Double the consonant and add -ing.

Answer explanation

The final consonant is doubled when the root word has two syllables and the final syllable is stressed, like 'control' - 'controlling', or in a single syllable word with a short vowel followed by a single consonant letter, like 'hug' - 'hugging'.

What rule is being used when the word 'walk' becomes 'walking' when adding the suffix -ing?

• Just add -ing.

• Remove the 'e' and add -ing.

• Double the consonant and add -ing.

Answer explanation

Often, we can just add the suffix -ing to the root word without changing it. This usually happens when the root word ends in two consonant letters, such as 'walk' - 'walking'.

What rule is being used when the word 'tremble' becomes 'trembling' when adding the suffix -ing?

• Just add -ing.

• Remove the 'e' and add -ing.

• Double the consonant and add -ing.

Answer explanation

When the root word ends in 'e', we remove the 'e', then add -ing. Like the words 'tremble' - 'trembling' or 'bake' - 'baking'.

Match the verbs to the rule they use when the suffix -ing is added.

• hop - hopping

• Remove the 'e' and add -ing.

• stay - staying

• Double the consonant and add -ing.

• share - sharing

• Just add -ing.

Answer explanation

There are different rules for how the root word changes when the suffix -ing is added.

Correct the spelling of the word in bold in the following sentence. I feel chilly althow the weather is warm.

Answer explanation

'Although' has the letters 'ough' in it. It is a curriculum word and helpful to remember for our writing.