How to Pronounce -ed in English

The past simple tense and past participle of all regular verbs end in -ed. For example:

base verb (v1)	past simple (v2)	past participle (v3)
work	worked	worked

In addition, many adjectives are made from the past participle and so end in -ed. For example:

• I like painted furniture.

The question is: How do we pronounce the -ed?

The answer is: In 3 ways - / Id/ or / t/ or / d/

If the base verb ends in one of thesesounds:		example base verb*:	example with -ed:	pronounce the -ed:	extra syllable?
unvoiced	/t/	want	wanted	/ Id/	yes
voiced	/d/	end	ended
unvoiced	/p/	hope	hoped	/ t/	no
	/f/	laugh	laughed
	/s/	fax	faxed
	/S/	wash	washed
	/tS/	watch	watched
	/k/	like	liked
voiced	all other sounds, for example...	play	played	/ d/
		allow	allowed
		beg	begged

* note that it is the sound that is important, not the letter or spelling. For example, "fax" ends in the letter "x" but the sound /s/; "like" ends in the letter "e" but the sound /k/.