template <class T, class U>
class Pass
{
};

template<template <typename P1, typename P2> class... T>
    class Test
    {
    public:
        Test(T<P1, P2>... passes) {}

        std::tuple<T<P1, P2>...> tuple1;
        std::tuple<P1...> tuple2;
        std::tuple<P2...> tuple3;
    };

Test t{ Pass<int, float>(), Pass<int, int>(), Pass<std::string, float>() };