二,写出下列动词的过去式和过去分词

二、写出下列动词的过去式和过去分词

1. air ________
________ 2. clean ________
________

3. boil ________
________ 4. wash ________
________

5. type ________
________ 6. empty ________
________

9. paint ________
________ 10. sharpen ________
________

11. have ________
________ 12. go ________
________

13.am/ is ________
________ 14. are ________
________

15. pack ________
_______ 16. leave ________
________

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
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第1个回答  2013-07-29

为你解答。

    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