SN4 ""

No	Pattern	Freq
1	[vb pp] if	4937
2	asked if	316
3	done if	145
4	happened if	104
5	needed if	89
6	required if	84
7	avoided if	80
8	used if	78
9	damned if	75
10	lost if	71
11	achieved if	69
12	made if	69
13	known if	65
14	reduced if	61
15	seen if	51
16	wondered if	48
17	obtained if	48
18	paid if	39
19	given if	36
20	expected if	34
21	justified if	34
22	taken if	34
23	increased if	33
24	accepted if	32
25	affected if	31
26	improved if	29
27	said if	29
28	appreciated if	28
29	enhanced if	27
30	understood if	27