二,写出下列动词的过去式和过去分词

air,aired,aired
clean,cleaned,cleaned
boil,boiled,boiled
wash,washed,washed
type,typed,typed,
empty,emptied,emptied
paint,painted,painted,
sharpen,sharpened,sharpened
have,had,had
go,went,gone
am/is,was,been
are,were,been
pack,packed,packed
leave,left,left

为你解答。

1. air - aired - aired

2. clean - cleaned - cleaned

3. boil - boiled - boiled

4. wash - washed - washed

5. type - typed - typed

6. empty - emptied - emptied

9. paint - painted - painted

10. sharpen - sharpened - sharpened

11. have - had - had

12. go - went - gone

13.am/ is - was - been

14. are - were - been

15. pack - packed - packed

16. leave - left - left