The key answer of exercise Grammar 1
The key to exercise solutions in chapter 04 - Language focus 1 for the textbook Cutting Edge Intermediate - Student's Book with authors Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education
Question
How do we form the Present perfect simple? Which verbs in exercise 3 are regular / irregular?
Answer
The Present perfect simple is formed with the present tense of have + the past participle.
Regular
- publish
- paint
- found
- raise
- design
- train
Irregular
- write
- win
- be