SN4 ""

No	Pattern	Freq
1	[pos pn] [noun sg] [verb] to be	468
2	[pos pn] [noun] [vb past] to be	312
3	[pos pn] [noun pl] [verb] to be	243
4	[pos pn] [noun] [vb -s] to be	224
5	his [noun] [verb] to be	193
6	[pos pn] [noun] seem to be	192
7	their [noun] [verb] to be	179
8	[pos pn] [noun] have to be	168
9	[pos pn] [noun] [vb base] to be	132
10	[pos pn] [noun] seemed to be	103
11	[pos pn] [noun] had to be	86
12	her [noun] [verb] to be	79
13	your [noun] [verb] to be	73
14	its [noun] [verb] to be	73
15	[pos pn] [noun] appear to be	65
16	my [noun] [verb] to be	63
17	our [noun] [verb] to be	61
18	[pos pn] [noun] seems to be	58
19	[pos pn] [noun] tend to be	55
20	[pos pn] [noun] need to be	50
21	[pos pn] [noun] has to be	49
22	[pos pn] [noun] [v-ing] to be	38
23	[pos pn] [noun] have to be	31
24	[pos pn] [noun] needs to be	31
25	[pos pn] [noun] appeared to be	30
26	[pos pn] [noun] seem to be	28
27	[pos pn] [noun] tend to be	25
28	[pos pn] [noun] prove to be	23
29	[pos pn] [noun] appears to be	21
30	[pos pn] [noun] continue to be	19