Answer:
1 . I have had lunch .
2. He has had lunch .
3. I had had lunch before you came.
Explanation:
This is one of the most confused about combinations as per my experience .I would firstly tell a bit of grammar part and then clarify with real day to day usage .
THE CONFUSION IF AT ALL COMES IS BECAUSE OF TWO DIFFERENT USAGES OF WORD “HAVE” . THEY LOOK AND SOUND LIKE SAME BUT PLEASE TREAT THEM DIFFERENTLY . So let's separate them like one of them is same like “ “AM,ARE,WILL,SHALL, “ the helping or auxiliary verbs ,and the second. “have “ is just like “ drive, eat, drink, watch” the main verb “ or I prefer to call “ Action”.
Answer: sentence 4 cause it shows that doodle isnt in narrators life anymore
Explanation:
Answer:
More of the world's population is now concentrated in heavily populated urban areas known as <u>megalopolis</u>. This is quite a contrast from the past, when <u>indigenous</u> or native groups were either farmers or <u>nomads</u>— hunters and gatherers who moved between places in search of food. Advanced technology has led to <u>globalization</u>, the integration of world economics and cultures, in the world's more developed countries. This integration requires increased <u>conservation</u>, the responsible use and management of natural resources.