To help your child to talk more, it's a good idea to talk to her whenever you're together, carrying on a flow of conversation about what you're doing, and about what she is doing. Try to be animated, using gestures and lots of expression in your voice. Emphasize important words and phrases. But you should pause frequently and for what may seem to be a long wait, so your child has a chance to digest what you have said and to respond. It also helps to have lots of books around and to read to your child often.
Try to encourage his talking by asking some open-ended questions (such as "How do you...?" or "What do you think?") or by talking about subjects he is interested in. Sometimes, for very quiet children a good beginning is to ask him to fill in words in familiar rhymes or stories that they know by heart. Really listen to your child, getting down at his eye level and looking at him when he talks. When playing together, follow your child's lead and talk about what you're playing with.
It may be tough, but try not to get frustrated by what sounds like "baby talk" from your child. And don't correct your child's speech too much. The best thing you can do is set a good example in the way you talk.
If you are concerned that your child is behind in language, you may want to call the Canadian Association of Speech-Language Pathologists and Audiologists at 1-800-259-8519.