Hello guys
I tentatively googled the four expressions below:
<1-a> There is two X and a Y: [all :19,500] [Edu : 77] [Ac.UK : 22]
<1-b> There are two X and a Y: [all :431,000] [Edu : 25,100] [Ac.UK : 634]
<2-a> There is a X and two Y": [all :170,000] [Edu : 772] [Ac.UK : 274]
<2-b> There are a X and two Y": [all :33,000] [Edu : 155] [Ac.UK : 55]
paco