| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [prep] [art] | 18581 |
|
| 2 | need [prep] [art] | 1142 |
|
| 3 | need [is] [art] | 322 |
|
| 4 | need [is] [prep] | 34 |
|
