What is the non finite in we could not help laughing at the incident

The present and past participles and the to infinitive are the most common of these. The base form is often used in a non-finite way. Every verb can be used in a clause in either a finite or non-finite way. A verb is finite if it is found in a clause in combination with a subject and a tense.

Explanation:

hit the heart

answer: the first one

explanation:

explicitly is defined as “in a clear and detailed manner, leaving no room for confusion or doubt.” the rest are interpretive and not clearly proven leaving in fact possible “confusion or doubt” which explicitly, by definition cannot have.

gregor could have been bullying her