Answer — Exercise Grammar 1
02 - Grammar focus 1·Cutting Edge Pre-Intermediate - Student's Book
Question
Write down the infinitive forms of the regular verbs you underlined. How do we form the Past simple of regular verbs?
Answer
- invent
- transmit
- last
- start
- watch
We form the Past simple of a regular verb by adding -ed to the end of the infinitive. If the infinitive ends with a consonant-vowel-consonant, and the last syllable is stressed, then we double the final consonant, e.g. transmit-transmitted.
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