No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb pp] [prep] a long period of | 27 | |
2 | [vb pp] [prep] a long period of | 27 | |
3 | [vb pp] [prep] a long period of | 24 | |
4 | [vb pp] over a long period of | 14 | |
5 | [vb pp] for a long period of | 5 |
[vb pp] [prep] a long period of Next page
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