No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb past] been [verb] [prep] | 18310 |
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2 | [vb past] been [v-ing] [prep] | 2255 |
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3 | [verb] been operating [prep] | 50 |
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4 | [vb past] been operate [prep] | 13 |
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5 | [vb past] be operating [prep] | 8 |
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6 | [vb past] [been] operating [prep] | 8 |
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7 | [vb past] been operating [prep] | 8 |
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8 | [vb past] [be] operating [prep] | 8 |
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