Etc. by two years
by two years will correctly show almost everything objects known to it.
Active speech Show to the child some well familiar subjects: small bottle, doll, boot, car, ball, cup.
Ask every time as the subject is called What is it?
By two years calls objects, and does as at a request, and it is independent.
In the same way at pokazefotografiya on which in group with other people parents or other relatives are represented, not only learns and finds them among others, but also calls them..