| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] | 200716 |
|
| 2 | is [vb pp] | 136581 |
|
| 3 | be needed | 4802 |
|
| 4 | [be] needed | 4802 |
|
| 5 | [is] needed | 1922 |
|
| 6 | is need | 1868 |
|
