| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is useful to be [adj] | 7 |
|
| 2 | [pers pn] is useful to [be] [adj] | 7 |
|
| 3 | [pers pn] is useful to [be] able | 7 |
|
| 4 | [pers pn] is useful to [be] [adj] | 7 |
|
| 5 | [pers pn] is useful to be [adj] | 7 |
|
| 6 | it is useful to [be] [adj] | 7 |
|
| 7 | [pers pn] is useful to [be] able | 7 |
|
| 8 | [pers pn] is useful to [be] [adj] | 7 |
|
