Directions: Choose the statement(s) which is/are grammatically incorrect.

1. There are some matters in regard to which the memory works with less than it's usual perfection.
2. Let two statesmen try to recall the same event with precision.
3. An old banyan tree stretched its powerful arms over the blossoming jack and neem plants.
4. Every month they had to meet some targets, renew others and obtain more time.
5. She was distressed at the poverty of her dwelling.