SN4 ""

No	Pattern	Freq
1	[vb pp] when	6416
2	used when	201
3	killed when	162
4	made when	126
5	done when	115
6	injured when	83
7	taken when	80
8	lost when	70
9	found when	67
10	ended when	66
11	considered when	63
12	obtained when	56
13	produced when	55
14	changed when	53
15	formed when	48
16	achieved when	45
17	come when	44
18	given when	44
19	observed when	43
20	increased when	42
21	known when	42
22	reached when	42
23	gone when	40
24	created when	40
25	left when	40
26	involved when	38
27	paid when	37
28	felt when	36
29	needed when	36
30	reduced when	34