No | Pattern | Freq | Relations |
---|---|---|---|
1 | difficulty [prep] [verb] these [noun] | 13 |
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2 | difficulty [prep] [v-ing] these [noun] | 13 |
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3 | difficulty [prep] [verb] these [noun pl] | 13 |
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4 | difficulty [prep] [verb] these [noun] | 13 |
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5 | difficulty [prep] [verb] these [noun] | 9 |
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6 | difficulty in [verb] these [noun] | 9 |
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7 | difficulty in [verb] these [noun] | 9 |
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