No | Pattern | Freq | Relations |
---|---|---|---|
1 | must be [vb pp] at the [noun] | 49 | |
2 | must be [vb pp] at the [noun sg] | 47 | |
3 | must be [vb pp] at the outset | 13 | |
4 | must be [vb pp] at the outset | 13 | |
5 | must be [vb pp] at the time | 10 | |
6 | must be [vb pp] at the time | 10 | |
7 | must be [vb pp] at the end | 6 | |
8 | must be [vb pp] at the end | 6 |