Read and sing to your child daily. As you model speech, you are teaching him language. Be a good role model . The average 24 month old toddler has approximately 60-300 words in her vocabulary. If your child is not talking at 2, you should discuss your concerns with your doctor or a certified Speech and Language Pathologist.
Appropriate testing can rule out hearing problems or speech delay.
You should exercise patience and refrain from trying to correct her. Many children go through a period of normal disfluencies partly because their speech isn't keeping up with their thoughts. Putting pressure on your child will only make it worse . If it continues over a period of time, you may want to see a Speech and Language Pathologist. The duration of therapy depends on the severity of the problem.