Example sentences of "[subord] they have been [v-ing] [prep] " in BNC.
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1 | A GROUP of British students has recently returned from a trip to South America , where they have been researching into the flora and fauna of the Colombian Amazon basin . |
2 | During the past decade the poverty stricken countries of the South have been paying far more money to the rich North than they have been receiving in new money . |
3 | PS : I bought ten copies to send to friends at home and abroad , so they have been joining in the fun from Runcorn , to Malta . |
4 | However , the children of your unmarried partner can not inherit from you unless you adopt them or make a will even if they have been living as a family with you both . |
5 | if they have been sniffing for so e time , arrange a health check |
6 | When we have breakfast , on the 8th floor , we can look down on the river , and watch all the river traffic , including large passenger vessels , big merchant ships belching smoke , strings of wooden barges , and big and small old-fashioned junks , which look as if they have been sailing for a 100 years at least . |
7 | Selfing populations of plants could be valuable material , although the retention of unused yet presumably expensive floral features in some populations raised doubts as to whether they have been selfing for long enough to reach evolutionary equilibrium . |
8 | Only the higher levels of secondary education , from the ninth grade onwards , have continued to expand , though they have been growing from a very low base . |
9 | Meanwhile , in this closing scene , the water hyacinths proceed towards the sea , as they have been doing throughout the action . |