| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] a long | 12 |
|
| 2 | [be] [v-ing] [adv] a long | 12 |
|
| 3 | [be] [v-ing] [adv prt] a long | 10 |
|
| 4 | [am/are] [v-ing] [adv] a long | 6 |
|
