A finite clause is one with a tensed verb.

He woke up ^tensed early.

A non-finite clause is one with an infinitive or participle, which are tenseless, and therefore not on a time-line. Non-finite clauses often serve as a nominal grammatical subject.

To wake up ^infinitival after a night of carousing can be difficult.

Waking up ^participial after a night of carousing can be difficult.

A finite clause is one with a tensed verb.

He woke up ^tensed early.

A non-finite clause is one with an infinitive or participle, which are tenseless, and therefore not on a time-line. Non-finite clauses often serve as a nominal grammatical subject.

To wake up ^infinitival after a night of carousing can be difficult.

A finite clause is one with a tensed verb.

He woke up ^tensed early.

A non-finite clause is one with an infinitive or participle, which are tenseless, and therefore not on a time-line. Non-finite clauses often and serve as a nominal grammatical subject.

To wake up ^infinitival after a night of carousing can be difficult.

Waking up ^participial after a night of carousing can be difficult.

A finite clause is one with a tensed verb.

He woke up ^tensed early.

A non-finite clause is one with an infinitive or participle, which are tenseless, and therefore not on a time-line. Non-finite clauses often serve as a nominal grammatical subject.

To wake up ^infinitival after a night of carousing can be difficult.

Waking up ^participial after a night of carousing can be difficult.