| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] for | 3729 |
|
| 2 | [vb pp] for [v-ing] | 2953 |
|
| 3 | [is] [vb pp] [v-ing] | 677 |
|
| 4 | [is] for [v-ing] | 134 |
|
