| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] if | 696 |
|
| 2 | is essential if | 77 |
|
| 3 | is essential if | 77 |
|
| 4 | is doubtful if | 60 |
|
| 5 | is doubtful if | 60 |
|
| 6 | is [adj -er] if | 52 |
|
| 7 | is necessary if | 38 |
|
| 8 | is necessary if | 38 |
|
| 9 | is [det] if | 25 |
|
| 10 | is vital if | 24 |
|
| 11 | is vital if | 24 |
|
| 12 | is easy if | 22 |
|
| 13 | is good if | 21 |
|
| 14 | is important if | 21 |
|
| 15 | is important if | 21 |
|
| 16 | is better if | 19 |
|
| 17 | is that if | 18 |
|
| 18 | is that if | 18 |
|
| 19 | is possible if | 17 |
|
| 20 | is possible if | 17 |
|
| 21 | is helpful if | 15 |
|
| 22 | is easier if | 15 |
|
| 23 | is helpful if | 15 |
|
| 24 | is available if | 14 |
|
| 25 | is useful if | 14 |
|
| 26 | is available if | 14 |
|
| 27 | is useful if | 14 |
|
| 28 | is crucial if | 12 |
|
| 29 | is crucial if | 12 |
|
| 30 | is fine if | 11 |
|
