SN4 ""

No	Pattern	Freq
1	it when [pers pn] have	72
2	it when [pron] have	72
3	it when [pron] 've	22
4	it when [pron] had	20
5	it when you have	20
6	it when you have	19
7	it when he have	14
8	it when he have	14
9	it when [pron] have	13
10	it when i have	11
11	it when i have	11
12	it when it have	10
13	it when it have	10
14	it when [pron] 's	9
15	it when we have	7
16	it when we have	7
17	it when she have	6
18	it when she have	6
19	it when [pron] 'd	6