You usually need to add ‘-ed’ to a verb, though some verbs need extra consonants as well. Here are some examples of verbs that add ‘-ed’ in the past tense: ...

The computer can be annoying, especially when you know you have the spelling of a word right ... However, this rule does not work with verbs that end with a silent ‘e’ as in smile, like ...

Look again at the four spelling rules above and try the activity below. Change each of the verbs in the table below into the past tense by adding -ed and then the present tense by adding -ing.