Present perfect simple

What is the structure for creating "present perfect"? Write the structure here. (Affirmative, negative, and question) Complete the sentences 1. They have been (be) to Canada before.2. I have seen (see) that film.3. My friend has finished (finish) his homework.4. It hasn't rained (neg this week.5. The weather has been (be)fantastic.6. The dog has slept (sleep) all day.7. We haven't broken (neg the window.8. Where have you been (be)?9. Have you eaten (eat) yet?10. The class hasn't begun (neg Verbs Complete the table with past simple and past perfect forms of the verbs. be was been go went gone play played played buy bought bought study studied studied walk walked walked speak spoke spoken write wrote written know knew known feel felt felt For/ since Watch the video. We have been here _two hours for since in She has studied here _2017. for since in _5 'o clock on for since _a year since of for _last week since for at Write ten sentences in present perfect. (4 affirmative, 3 negative, 3 questions) Write them here: Sentences: