Rewrite the sentences

III. 1. This is the most delicious cake I've ever tasted.

=> I've................................

2. I've never met any more dependable person than George.

=> George is..............................

3. There isn't anybody as kind-hearted as your mother.

=> Your mother is........................

4. There is no better teacher in this school than Mr John.

=> Mr John is...................................

5. Have you got any bigger than that one?

=> Is this.......................................?