| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [is] | 920 |
|
| 2 | [be] need [is] | 139 |
|
| 3 | be need [is] | 139 |
|
| 4 | [is] need [is] | 131 |
|
| 5 | is need [be] | 128 |
|
