A lot of those words/phrases can be translated many ways in Chinese, depending on how they are being used, the situation etc. You should try getting a dictionary and looking the words up! Then write some simple sentences using the words you find,then people will be able to see what you are trying to say and correct them.

Translate in indonesia : To make = untuk membuat By = oleh Let = biarkan Let's do something_ = mari melakukan sesuatu To see = untuk melihat what- = apa To eat = untuk makan To read = untuk membaca When = kapan How = bagaimana How many = berapa banyak to do = untuk dilakukan you can = kamu bisa you could = kamu dapat you would = kamu mau / kamu akan

To make 为了做（to +verb has many translation,they can show intention,result,and so on.it's necessary to contact the context ,which help you have a better understanding of these phrases) By通过 Let让；使 Let's do something_让我们做某事 To see来看(for example；have sth to see 弄点东西来看) what什么 To eat来吃 To read来读 When何时 How怎样 How many多少 to do去做 you can你可以 you could你可以（一般用于过去时） you would你可以（委婉语气/虚拟语气中与现在事实相反的主句）