SN4 ""

No	Pattern	Freq
1	it is [vb pp] that [art]	1374
2	it is [vb pp] that [art]	1374
3	it is [vb pp] that the	1107
4	it is [vb pp] that the	1107
5	it is [vb pp] that [adj]	798
6	it is [vb pp] that [pron]	565
7	it is [vb pp] that [noun]	518
8	it is [vb pp] that [det]	514
9	it is [vb pp] that [pers pn]	343
10	it is [vb pp] that a	242
11	it is [vb pp] that [noun pl]	224
12	it is [vb pp] that this	216
13	it is [vb pp] that this	216
14	it is [vb pp] that [adj]	209
15	it is [vb pp] that a	201
16	it is [vb pp] that [prep]	169
17	it is [vb pp] that [prep]	169
18	it is [vb pp] that [noun prp]	154
19	it is [vb pp] that there	141
20	it is [vb pp] that there	141
21	it is [vb pp] that [ex0]	141
22	it is [vb pp] that [adv]	126
23	it is [vb pp] that [noun sg]	119
24	it is [vb pp] that it	115
25	it is [vb pp] that it	115
26	it is [vb pp] that they	114
27	it is [vb pp] that they	114
28	it is [vb pp] that [adv]	112
29	it is [vb pp] that [subord]	88
30	it is [vb pp] that [conj]	88