| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [v-ing] [adv prt] [prep] | 36 |
|
| 2 | it 's been [v-ing] [adv prt] [prep] | 24 |
|
| 3 | it have been [v-ing] on [prep] | 23 |
|
| 4 | it have been [v-ing] [adv prt] for | 21 |
|
| 5 | it have been [v-ing] [adv prt] for | 21 |
|
| 6 | it have been going [adv prt] [prep] | 20 |
|
| 7 | it has been [v-ing] [adv prt] [prep] | 9 |
|
| 8 | it have been [v-ing] up [prep] | 7 |
|
| 9 | it have been building [adv prt] [prep] | 5 |
|
