Material Unit 2

Most verbs
add -ed;

Verbs ending in -e add -d

verbs ending in consonant + -y change to -ied

If the verb is one syllable and ends in a vowel + consonant, we double the final consonant and add -ed.

• plan → planned
• spot → spotted

If the verb has two or more syllables and ends in a stressed vowel, we double the final consonant before adding -ed.

• Admit → admitted
• deter → deterred

If the verb ends in -l, we double this consonant before adding -ed.

• travel → travelled

Many common verbs have an irregular past simple form, which you have to memorize.

• do → did
• take → took