purple grapes

purple grapes 改错：The grapes is big and purple. 改错:Look the grapes ,they are purple. 紫色的葡萄用英语怎么说?是purple's grapes还是purple grapes The grapes are round and purple.的意思 grapes,round,and,are,these,purple连成一句话 Do you like (h ) purple grapes?---Yes,I do. grapes round and are these purple 连词成句 Are these purple grapes sweet?改为肯定句 the purple grapes are round.意思不变,换一种说法 grapes are purple and onions are white怎么读 These grapes are purple.改成一般疑问句并做肯定和否定回答.然后对purple提问