SN4 ""

No	Pattern	Freq
1	[noun pl] [vb base] to be	3836
2	[noun pl] [vb past] to be	2132
3	[noun pl] have to be	2131
4	[noun pl] have to be	1111
5	[noun pl] need to be	1062
6	[noun pl] need to be	887
7	[noun pl] had to be	869
8	[noun pl] tend to be	798
9	[noun pl] seem to be	763
10	[noun pl] tend to be	607
11	[noun pl] [vb -s] to be	527
12	[noun pl] appear to be	520
13	[noun pl] seem to be	401
14	[noun pl] [vb pp] to be	334
15	[noun pl] appear to be	312
16	[noun pl] continue to be	282
17	[noun pl] seemed to be	249
18	[noun pl] [v-ing] to be	211
19	[noun pl] continued to be	144
20	[noun pl] tended to be	142
21	[noun pl] appeared to be	129
22	[noun pl] come to be	128
23	[noun pl] continue to be	114
24	[noun pl] seems to be	110
25	[noun pl] has to be	108
26	[noun pl] begin to be	107
27	things [verb] to be	94
28	[noun pl] began to be	94
29	[noun pl] prove to be	93
30	[noun pl] needs to be	88