This must be the best route to take. Your attitude is the best attitude to have. A participle is used as an adjective and ends in various ways. A present participle always ends with ing as does the gerund, but remember that it is an adjective. A past participle ends with ed, n, or irregularly.
Participles modify nouns and pronouns and can precede or follow the word modified.
A participial phrase that comes at the beginning of the sentence is always followed by a comma and modifies the subject of the sentence. An infinitive is to plus a verb form. It can be used as an adjective. A infinitive phrase that comes at the beginning of the sentence is always followed by a comma and modifies the subject of the sentence. Find the participles and the participial and infinitive phrases in these sentences and tell what word they modify.