good / well / proper / good to / easy to / very / so / (suffix indicating completion or readiness) / (of two people) close / on intimate terms / (after a personal pronoun) hello

to be fond of / to have a tendency to / to be prone to

good / appropriate; proper / all right! / (before a verb) easy to / (before a verb) good to / (before an adjective for exclamatory effect) so / (verb complement indicating completion) / (of two people) close; on intimate terms / (after a personal pronoun) hello

to be fond of; to have a tendency to; to be prone to

to warm up / to heat up / hot (of weather) / heat / fervent