问题描述：
动词过去式后用be动词如何变形?
比如说我应该说the curtain I picked was a blackish curtain 还是 the curtain I picked is a blackish curtain?
还有如果我用has的话是 the curtain I picked has a black tone 还是 the curtian I picked had a black tone?
比如说我应该说the curtain I picked was a blackish curtain 还是 the curtain I picked is a blackish curtain?
还有如果我用has的话是 the curtain I picked has a black tone 还是 the curtian I picked had a black tone?
问题解答：
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