| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] useful for | 52 |
|
| 2 | [pron] be useful for | 52 |
|
| 3 | [pers pn] [be] useful for | 37 |
|
| 4 | [pron] [is] useful for | 36 |
|
| 5 | [pron] is useful for | 32 |
|
| 6 | it [be] useful for | 25 |
|
| 7 | it [be] useful for | 25 |
|
| 8 | [Wh det] [be] useful for | 14 |
|
| 9 | [pron] [am/are] useful for | 14 |
|
| 10 | which [be] useful for | 13 |
|
| 11 | which [be] useful for | 13 |
|
| 12 | they [be] useful for | 12 |
|
| 13 | they [be] useful for | 12 |
|
| 14 | [pron] are useful for | 11 |
|
