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.

lie down

verb

Forms lies down lying down lay down lain down

verb (intransitive) To assume a horizontal position. “Lie down on the bed until you feel better.”
verb (imperative) A standard command to a herding dog to assume this position, owing to its effect on the herd's movement.
verb (intransitive) To be lazy or remiss. “He never got promoted because he was always lying down on the job.”
verb (intransitive) To submit passively. “I'm not going to lie down and take this!”
verb (with 'with', euphemistic) To have sexual intercourse (with).

Synonyms

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