When combining the words ‘I am’ and ‘getting’ you are telling someone ‘you’ are gaining possession, being affected by or have plans to seek out and obtain a particular thing.
Here are some examples:
“I’m getting better.”
“I’m getting ready for bed.”
“I’m getting a tooth ache.”
“I’m getting a cold.”
“I’m getting married.”
“I’m getting tired.”
“I’m getting good at reading.”
“I’m getting a new car.”
“I’m getting a job.”
“I’m getting a puppy.“