cost

现在分词/动名词

costing

过去分词

cost

# 137

常规的

be

指示性

|

至关重要的

|

indicative

|

imperfect

	present	past	future	conditional
s1	cost	cost	will cost	would cost
s2	cost	cost	will cost	would cost
s3	costs	cost	will cost	would cost
p1	cost	cost	will cost	would cost
p2	cost	cost	will cost	would cost
p3	cost	cost	will cost	would cost

indicative

|

progressive

	present	past	future	conditional
s1	am costing	was costing	will be costing	would be costing
s2	are costing	were costing	will be costing	would be costing
s3	is costing	was costing	will be costing	would be costing
p1	are costing	were costing	will be costing	would be costing
p2	are costing	were costing	will be costing	would be costing
p3	are costing	were costing	will be costing	would be costing

indicative

|

perfect

	present	past	future	conditional
s1	have cost	had cost	will have cost	would have cost
s2	have cost	had cost	will have cost	would have cost
s3	has cost	had cost	will have cost	would have cost
p1	have cost	had cost	will have cost	would have cost
p2	have cost	had cost	will have cost	would have cost
p3	have cost	had cost	will have cost	would have cost

imperative

|

+/-

	affirmative	negative
s1	-	-
s2	cost	don't cost
s3	cost	don't cost
p1	cost	don't cost
p2	cost	don't cost
p3	cost	don't cost

这些动词的意思相似 cost

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