valgąs — present active participle

valgęs — past active participle

valgydavęs — frequentative past active participle

valgysiąs — future active participle

valgomas — present passive participle

valgytas — past passive participle

valgysimas — future passive participle

valgant — adverbial present active participle

valgius — adverbial past active participle

valgydavus — adverbial frequentative past active participle

valgysiant — adverbial future active participle

valgydamas — special adverbial present active participle

valgytinas — participle of necessity

The approximate meanings:

valgąs — 'the one who is eating'

valgęs — 'the one who ate; has eaten; was eating'

valgydavęs — 'the one who used to eat'

valgysiąs — 'the one who will be eating'

valgomas — 'something that is being eaten'

valgytas — 'something that has been eaten'

valgysimas — 'something which will be eaten'

valgant — 'while eating'

valgius — 'after having eaten'

valgydavus — 'after having eaten repeatedly'

valgysiant — 'having to eat'

valgydamas — 'eating'

valgytinas — 'something to be eaten'

Taken from http://www.lituanus.org/1984_3/84_3_05.htm