| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [v-ing] a long | 8 |
|
| 2 | to [be] [v-ing] a long | 8 |
|
| 3 | to [be] [v-ing] a long | 8 |
|
| 4 | to be [v-ing] a long | 8 |
|
| 5 | to [be] taking a long | 6 |
|
