| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] be [v-ing] for a | 51 |
|
| 2 | [Wh adv] [pron] be [v-ing] [prep] a | 50 |
|
| 3 | [Wh adv] [pron] be [v-ing] [prep] a | 50 |
|
| 4 | [Wh adv] [pron] be [v-ing] for [art] | 23 |
|
| 5 | [Wh adv] [pron] be [v-ing] for [art] | 23 |
|
| 6 | [Wh adv] [pron] be [v-ing] for a | 15 |
|
| 7 | [Wh adv] [pron] be [verb] for a | 13 |
|
| 8 | [Wh adv] [pron] [be] [v-ing] for a | 12 |
|
| 9 | [Wh adv] [pron] be [v-ing] for a | 12 |
|
