| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [indef pn] [Wh pn] be [v-ing] for | 10 |
|
| 2 | [indef pn] [Wh pn] [is] [v-ing] for | 10 |
|
| 3 | [indef pn] who [be] [v-ing] for | 10 |
|
| 4 | [indef pn] [Wh pn] is [v-ing] for | 6 |
|
