| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] [noun sg] | 70 |
|
| 2 | have been increasing [noun sg] | 26 |
|
| 3 | have been [adv] increasing | 17 |
|
| 4 | been [adv] increasing [noun sg] | 9 |
|
