| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun] need to [be] | 442 |
|
| 2 | [art] [noun sg] need to [be] | 348 |
|
| 3 | [art] system [verb] to [be] | 19 |
|
| 4 | [art] system need to [be] | 6 |
|
| 5 | [art] system need [prep] [be] | 5 |
|
