Point out participle I, gerund and verbal noun in the following sentences:
1. Henry Marston’s trembling became a shaking; it would be pleasant if this were the
end and nothing more need be done, he thought, and with a certain hope he sat
down on a stool. But it is seldom really the end, and after a while, as he became too
exhausted to care, the shaking stopped and he was better (Fitzgerald).