Some  ideas for reinforcing names and greetings vocabulary
Idea 1 Introductions
Children walk round class with music playing. When it stops they have to say their name to the person closest to them. 
Once they have mastered Comment tu t'appelles? they can ask and answer the question. You can add on saying how you are from Year 1 when pupils are ready. 
Idea 2 Greetings Practice/Race
Have some of the greetings for Year 2 in your pocket(pictures or words) - start off with only two. Turn to the child on the left and say the word and give the card to them. They have to say the greeting and then pass the card to the next person who then does the same. 
Next turn to the child on the right and say a different greeting. Once the children are used to the game you can make it a race and see which card comes back first.

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