| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [v-ing] for a | 200 |
|
| 2 | be [v-ing] for a [num ord] | 18 |
|
| 3 | be [adv] [v-ing] a [num ord] | 11 |
|
| 4 | [adv] [v-ing] for a [num ord] | 5 |
|
