Помогите пожалуйста с английскимTransform the sentences according to the model to

Помогите пожалуйста с английским


Transform the sentences according to the model to practice the use of the Infinitive:
Model: The customsand traditions wich we should study are very interesting.
The customs and traditions to be studied by us are very intersting.

1. The ring which he should present is very beautiful. 2. The sweater which she should knit is a white colour.