SN4 ""

No	Pattern	Freq
1	it is [verb] the	511
2	it is [verb] the	510
3	it is [vb pp] the	212
4	it is [to-vb] the	164
5	it is [v-ing] the	131
6	it is call the	41
7	it is called the	41
8	it is understand the	32
9	it is believed the	32
10	it is believe the	32
11	it is understood the	30
12	it is hoped the	27
13	it is hope the	27
14	it is think the	13
15	it is thought the	13
16	it is give the	12
17	it is say the	11
18	it is said the	10
19	it is make the	9
20	it is given the	7
21	it is have the	7
22	it is take the	7
23	it is use the	7
24	it is fear the	6
25	it is feared the	6
26	it is making the	6
27	it is expect the	6
28	it is to have the	5
29	it is get the	5
30	it is expected the	5