| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] need [prep] be based [prep] | 8 |
|
| 2 | [noun] need to be base [prep] | 8 |
|
| 3 | [noun] need [prep] be base on | 6 |
|
| 4 | [noun pl] need [prep] be base [prep] | 5 |
|
