| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [vb pp] at [noun sg] | 185 |
|
| 2 | need [prep] [be] [vb pp] at | 92 |
|
| 3 | need [prep] [be] [vb pp] [noun sg] | 16 |
|
| 4 | need [prep] [be] at [noun sg] | 5 |
|
