SN4 ""

No	Pattern	Freq
1	it have [verb] for	167
2	it have [verb] for	167
3	it have [vb pp] for	158
4	it had [verb] for	66
5	it has [verb] for	64
6	it 's [verb] for	36
7	it have do for	17
8	it have done for	17
9	it have [to-vb] for	9
10	it have used for	8
11	it have gone for	8
12	it have use for	8
13	it have go for	8
14	it have pay for	8
15	it have have for	6
16	it have had for	6
17	it have paid for	5
18	it have opt for	5
19	it have opted for	5