| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv prt] | 20897 |
|
| 2 | be [v-ing] for | 10597 |
|
| 3 | [v-ing] [adv prt] for | 2001 |
|
| 4 | be [adv prt] for | 1328 |
|
