| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [modal v] [prep] [be] a | 175 |
|
| 2 | [ex0] need [prep] [be] a | 52 |
|
| 3 | [ex0] [modal v] need [prep] [be] | 45 |
|
| 4 | [modal v] need [prep] [be] a | 35 |
|
