| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv prt] a | 705 |
|
| 2 | [be] [v-ing] a long | 99 |
|
| 3 | [v-ing] [adv prt] a long | 28 |
|
| 4 | [be] [adv prt] a long | 18 |
|
