No | Pattern | Freq | Relations |
---|---|---|---|
1 | a [adj] period during | 25 | |
2 | a [adj] period during | 24 | |
3 | a [adj] period during | 22 | |
4 | a long period during | 8 | |
5 | a brief period during | 7 | |
6 | a brief period during | 7 | |
7 | a long period during | 6 |
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