No | Pattern | Freq | Relations |
---|---|---|---|
1 | must [vb infin] [been] [prep] | 294 | |
2 | must [vb infin] [been] [prep] | 294 | |
3 | [modal v] [vb infin] [been] for | 62 | |
4 | must [vb infin] [be] for | 14 | |
5 | must [vb infin] [been] for | 14 | |
6 | must [verb] [been] for | 14 |
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