| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] a long time | 54 |
|
| 2 | it [verb] [been] a long time | 54 |
|
| 3 | it [vb -s] [been] a long time | 37 |
|
| 4 | it has [been] a [adj] time | 17 |
|
| 5 | it has [been] a long [noun] | 15 |
|
| 6 | [pron] has [been] a long time | 10 |
|
| 7 | [pers pn] has [been] a long time | 9 |
|
| 8 | it has [been] [art] long time | 9 |
|
| 9 | it has [been] a long time | 9 |
|
| 10 | it has [be] a long time | 9 |
|
