1 00:00:14,769 --> 00:00:21,149 For actions that reach the present but started in the past or are completed in the past but affect the present. 2 00:00:21,649 --> 00:00:27,609 The present perfect is the tense you have to apply like you have taught English for years but are not done with that. 3 00:00:28,269 --> 00:00:32,630 Do you sit in a sentence we used ever to have and you will they have done? 4 00:00:32,630 --> 00:00:41,170 And if she it has had and the past participle them in verb identity or if it's irregular, there's a column of the list. 5 00:00:41,170 --> 00:00:45,909 To say, no, I'd not do that, but to have, we haven't finished. 6 00:00:46,329 --> 00:00:49,369 She asked, I said, dad, four questions a sentence. 7 00:00:49,729 --> 00:00:50,750 Starts with to have. 8 00:00:51,509 --> 00:00:52,590 Have you understood it? 9 00:00:52,829 --> 00:00:53,609 No, I haven't. 10 00:00:53,689 --> 00:00:54,369 Yes, I have. 11 00:00:54,530 --> 00:01:00,890 There are few expressions that like going with it, for just since yet already, ever, never, and still. 12 00:01:01,189 --> 00:01:04,209 I've just said I've already mentioned that I haven't done it yet. 13 00:01:04,469 --> 00:01:05,689 Have you ever done that? 14 00:01:06,049 --> 00:01:07,590 Yes, but I haven't since March.