SN4 ""

No	Pattern	Freq
1	when they have [vb pp]	564
2	when they have [vb pp]	564
3	when they had [vb pp]	254
4	when they have [vb pp]	125
5	when they 've [vb pp]	109
6	when they 'd [vb pp]	76
7	when they have finished	74
8	when they have gone	53
9	when they have got	33
10	when they have left	21
11	when they have had	20
12	when they have done	15
13	when they have made	12
14	when they have seen	10
15	when they have eaten	10
16	when they have met	10
17	when they have moved	8
18	when they have arrived	7
19	when they have found	7
20	when they have taken	7
21	when they have come	7
22	when they have lost	6
23	when they have returned	6
24	when they have passed	6
25	when they have decided	6
26	when they have recovered	5
27	when they have started	5
28	when they have paid	5
29	when they have stopped	5
30	when they have reached	5