Question

I had to travel all over the glood around 150 times for business ( use modal auxiliary showing obligation)​

Answer 1

I should travel all over the globe around 150 times for business.

Use of modal auxiliary verb:

• An auxiliary verb is also called a modal verb.
• Its main function is to make polite requests, to allow or to permit someone.
• it also shows the ability or capacity of a person or a thing.
• For example, I should eat healthy food.
• There are 8 modal verbs in English grammar.
• These are: must, shall, will, should, would, can, could, may, and might.