| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need to do [is] [prep] | 6 |
|
| 2 | need do [is] [prep] | 6 |
|
| 3 | need do is [prep] | 6 |
|
| 4 | need do [is] [prep] | 5 |
|
| 5 | need do [is] to | 5 |
|
| 6 | need do [is] to | 5 |
|
