| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [adv] been [adj] | 350 |
|
| 2 | it have [adv] [been] [adj] | 288 |
|
| 3 | it has [adv] [been] [adj] | 194 |
|
| 4 | it have [adv] [been] [adj] | 188 |
|
| 5 | it have [not/n't] [been] [adj] | 162 |
|
| 6 | it have not [been] [adj] | 162 |
|
| 7 | it have not [been] [adj] | 111 |
|
| 8 | it had [adv] [been] [adj] | 103 |
|
| 9 | it have [adv] [been] possible | 62 |
|
| 10 | it have [adv] [been] possible | 62 |
|
| 11 | it have always [been] [adj] | 53 |
|
| 12 | it have always [been] [adj] | 53 |
|
| 13 | it have n't [been] [adj] | 51 |
|
| 14 | it 's [adv] [been] [adj] | 50 |
|
| 15 | it have [adv] [been] easy | 42 |
|
| 16 | it have [adv] [been] easy | 35 |
|
| 17 | it have [adv] [been] [det] | 34 |
|
| 18 | it have never [been] [adj] | 31 |
|
| 19 | it have never [been] [adj] | 31 |
|
| 20 | it have [adv] [been] [num] | 18 |
|
| 21 | it have [adv] [been] necessary | 14 |
|
| 22 | it have [adv] [been] able | 14 |
|
| 23 | it have [adv] [been] able | 14 |
|
| 24 | it have [adv] [been] necessary | 14 |
|
| 25 | it have [adv] [been] one | 13 |
|
| 26 | it have all [been] [adj] | 13 |
|
| 27 | it have [adv] [been] one | 13 |
|
| 28 | it have all [been] [adj] | 13 |
|
| 29 | it have also [been] [adj] | 12 |
|
| 30 | it have also [been] [adj] | 12 |
|
