| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which can [be] [vb pp] for | 106 |
|
| 2 | can [be] [vb pp] for [v-ing] | 102 |
|
| 3 | which [be] [vb pp] for [v-ing] | 28 |
|
| 4 | which can [be] [vb pp] [v-ing] | 20 |
|
