SN4 ""

No	Pattern	Freq
31	[noun sg] happen to be	129
32	[noun sg] begin to be	126
33	[noun sg] seem to be	119
34	[noun sg] needed to be	118
35	[noun sg] remains to be	111
36	[noun sg] began to be	108
37	[noun sg] tend to be	105
38	[noun sg] tended to be	102
39	[noun sg] appear to be	101
40	[noun sg] want to be	94
41	[noun sg] claim to be	89
42	[noun sg] [vb infin] to be	82
43	man [verb] to be	79
44	care [verb] to be	77
45	time [verb] to be	77
46	system [verb] to be	77
47	government [verb] to be	75
48	[noun sg] happens to be	71
49	life [verb] to be	67
50	[noun sg] require to be	66
51	information [verb] to be	66
52	[noun sg] believe to be	65
53	[noun sg] [to-vb] to be	64
54	[noun sg] go to be	61
55	[noun sg] wait to be	61
56	[noun sg] going to be	58
57	[noun sg] waiting to be	57
58	problem [verb] to be	57
59	[noun sg] wants to be	54
60	[noun sg] ceased to be	53