| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | estimated to [be] [adv] [num] | 14 |
|
| 2 | estimated to be [adv] [num] | 14 |
|
| 3 | estimated to [be] about [num] | 6 |
|
| 4 | estimated to [be] about [num] | 6 |
|
