No | Pattern | Freq | Relations |
---|---|---|---|
1 | [been] [v-ing] [prep] some years | 9 |
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2 | [be] [v-ing] [prep] some years | 9 |
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3 | be [v-ing] [prep] some years | 9 |
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4 | been [v-ing] [prep] some years | 9 |
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