How to use "to" in english

How to Use "to" in english

There are 7 sentences.

who all want to learn english through tamil language it may be difficult but it is very easy. this blog will be teaching as soon.before that how to use Want to, need to, happened to, ought to, supposed to, Have to, used to.

Example:

• Want to : I want to be an engineer, I want to get Passport within a week. He wants to meet me, she wants to play chess with me.
• Need to : You need to improve your english, i need to use your pen, He needs to admin in the Hospital.
• Happened to : It should be past tense so , I happened to got injury while playing football, I happened to met my enemy on yesterday.
• Ought to : It should be your responsible, I ought to serve my parents. you ought to save your country.He ought to save money for his family. 
• Supposed to: It is official usage in english. I am supposed to finish my work on time, you are supposed to get complete flow about your roll (in your office/company). You are not supposed to get inside without my permission.
•  Have to : You should do, you have to come at office on time, I have to finish my home work everyday, (when he, she and It comes use this pattern) He has to complete his target then go home, She has to teach maths for those students then go home.
• Used to : you may have some habbits, I used to walk once i finish my dinner everyday, I used to wake up early morning 4' o Clock due to my exam.