use的过去式和过去分词这些词的那?plant produceplaninvite--------------------------Dalian produces big ships.Famers harvest rice in autumn.这两句变被动语态

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use的过去式和过去分词这些词的那?plant produceplaninvite--------------------------Dalian produces big ships.Famers harvest rice in autumn.这两句变被动语态
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use的过去式和过去分词这些词的那?plant produceplaninvite--------------------------Dalian produces big ships.Famers harvest rice in autumn.这两句变被动语态
use的过去式和过去分词
这些词的那?plant
produce
plan
invite
--------------------------
Dalian produces big ships.
Famers harvest rice in autumn.
这两句变被动语态

use的过去式和过去分词这些词的那?plant produceplaninvite--------------------------Dalian produces big ships.Famers harvest rice in autumn.这两句变被动语态
plant planted planted
produce produced produced
plan planned planned
invite invited invited
Big ships were produced in Dalian.
Rice is harvested by farmers in autumn.

加 ed 有外的去外加IED 就OK了

除最后一个都加ed,那一个d,ships were produced by da 2 rice was havested in au by 那些自己写吧