sustain

现在分词/动名词

sustaining

过去分词

sustained

# 470

常规的

keep · maintain

指示性

|

至关重要的

|

indicative

|

imperfect

	present	past	future	conditional
s1	sustain	sustained	will sustain	would sustain
s2	sustain	sustained	will sustain	would sustain
s3	sustains	sustained	will sustain	would sustain
p1	sustain	sustained	will sustain	would sustain
p2	sustain	sustained	will sustain	would sustain
p3	sustain	sustained	will sustain	would sustain

indicative

|

progressive

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

indicative

|

perfect

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

imperative

|

+/-

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

这些动词的意思相似 sustain

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