| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] [art] | 71326 |
|
| 2 | [be] [v-ing] [adv] | 44521 |
|
| 3 | [be] [v-ing] [art] | 32032 |
|
| 4 | [v-ing] [adv] [art] | 15764 |
|
