| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [adv prt] [prep] a | 55 |
|
| 2 | been [v-ing] [prep] a long | 30 |
|
| 3 | [v-ing] [adv prt] [prep] a long | 26 |
|
| 4 | been [adv prt] [prep] a long | 14 |
|
