1.WHAT ABOUT ,HOW ABOUT,HOW
Eg . 你怎么样？准备好了吗？ What about you? ready? / how is it going? Are you ready? to ask the things,situation
你怎么样？or 怎么样？身体好些了吗？ How do you feel? Are you ok? To ask the heath states
你觉得怎（么）样？我穿上它好看吗？ What do you think about it?/ How about it?/ What do you say?
你想怎（么）样？ What do you want to do?
2. WELL eg. 怎么样，我对吧？ Well,am I right?
NOTE: in somewhere,such as Taiwan,they say 怎样 too much.but usually the use similar with 怎么样
HOW TO DO.. 我不知道下一步怎么办。I don’t know how to do next?
HOW SHOULD DO? 我该怎么办？ How should I do ?
WHAT ABOUT…? 如果下雨了怎么办？ What about it rains?
他愿意怎么办就让他怎么办。Let him do(the thing)what/that he wanna do.
here 怎么办 can be a combined verb ,let's take place of it with 哭，写作业，看电视
Also we can consider 怎么办 as two words,and 怎么 is describe how do it,then we can take place of 办 as 哭，写作业，看电视
他愿意怎么哭就让他怎么哭。Well,he can cry aloud,sob,or mimic crying etc.
他愿意怎么写作业就让他怎么写（作业）。He can write it as a narration,exposition or argumentation;he can sit to write or groveling
他愿意怎么看电视就让他怎么看（电视）。He can sit,lie,stand;he can change the channels as he like maybe.