| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] a long time | 9 |
|
| 2 | it be take [art] long time | 7 |
|
| 3 | it be [v-ing] [art] long time | 6 |
|
| 4 | it be taking [art] long time | 6 |
|
