please tell me how can we Use of get + past participle and identify in sentence?

I got injured.

He will get married.

Please tell me by example.

2 answers

In these sentences, "get" and forms of "to be" seem to be interchangeable. I prefer the forms of "to be," but to use forms of "get" in sentences is okay.

Read the examples here:
http://www.learnamericanenglishonline.com/Green%20Level/G24_get_+_past_participle.html
This webpage has really good explanations and examples, too.

http://english.stackexchange.com/questions/3072/why-is-to-get-sometimes-used-where-to-be-could-be-used