perhaps SimpleSRcontinuous.aia (2.4 KB) does what you want to do. Does it?
You are not sharing your code with the community so it is impossible to determine what your actual issue may be with regard to
Try Speechrecognizer, OK Google and HOW TO: Program the native SpeechRecognizer for Continuous Dictation and to do things to get more ideas about how the native SpeechRecognizer can be used effectively.