| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv] for a | 222 |
|
| 2 | [be] [v-ing] [adv] [adv] for | 103 |
|
| 3 | [be] [adv] [adv] for a | 95 |
|
| 4 | [be] [v-ing] [adv] [adv] a | 50 |
|
| 5 | [v-ing] [adv] [adv] for a | 29 |
|
