Сomplete the following using the infinive take the infinitive phrases from

Сomplete the following using the infinive take the infinitive phrases from the list bellow:

to forget the past, to be humming a tune, to say such a thing to a child, to have gone out on that rainy day, to know the map well.

1. ... means to be able to show any country or town on it.

2. ... would have been the death of me.

3. ... is a usual thing for her.

4. ... would be ridiculous.

5. ... was impossible.