SN4 ""

No	Pattern	Freq
1	[Wh adv] they have [vb pp]	463
2	[Wh adv] they had [vb pp]	189
3	where they have [vb pp]	177
4	[Wh adv] they 've [vb pp]	135
5	how they have [vb pp]	128
6	[Wh adv] they have [vb pp]	96
7	why they have [vb pp]	84
8	when they have [vb pp]	62
9	[Wh adv] they 'd [vb pp]	43
10	[Wh adv] they have got	41
11	[Wh adv] they have gone	30
12	[Wh adv] they have come	21
13	[Wh adv] they have done	21
14	[Wh adv] they have had	16
15	[Wh adv] they have left	12
16	[Wh adv] they have changed	9
17	[Wh adv] they have managed	8
18	[Wh adv] they have spent	7
19	[Wh adv] they have lived	7
20	[Wh adv] they have put	7
21	[Wh adv] they have taken	7
22	[Wh adv] they have chosen	6
23	[Wh adv] they have made	5
24	[Wh adv] they have entered	5
25	[Wh adv] they have found	5
26	[Wh adv] they have fallen	5
27	[Wh adv] they have stayed	5
28	[Wh adv] they have lost	5