Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

go in

verb

Forms goes in going in went in gone in

verb Used other than figuratively or idiomatically: see go, in. “It's getting cold. Let's go in.”
verb (of the sun, moon or stars) To become obscured by clouds. “It's chilly now the sun's gone in.”
verb To begin or become involved in some activity. “I wish I'd known that going in.”
verb To share in part of a project's or plan's duties or costs. “If you guys are fixing up that boat together to share it, I'll go in too.”
verb (of a fact or concept) To become understood or accepted. “You have to tell him a hundred times if you want it to go in.”
verb To perform invasive surgery.
verb (dated) To beat up or attack. “You went in on him with a knife?”

Synonyms

Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “go in”, CC BY-SA 4.0. Details