• exist

Synonyms: exist, have being, have existence

• occur; take place

Synonyms: occur, happen, take place, come about, arise, crop up, transpire, fall, materialize, ensue

• having the state, quality, identity, nature, role, etc., specified

• say

• used with a present participle to form continuous tenses

• used with a past participle to form the passive voice

• used to indicate something that is due or destined to happen

• used with the past participle of intransitive verbs to form perfect tenses