Найдите в предложении герундий и определите его функцию:  What is the purpose of going there? What’s the purpose of his going there?I’m grateful for his helping me. I’m grateful for his having helped me.We inform you of the...

Найдите в предложении герундий и определите его функцию:   What is the purpose of going there? What’s the purpose of his going there? I’m grateful for his helping me. I’m grateful for his having helped me. We inform you of the bank’s crediting your account with the sum of $100. We inform you of crediting your account with the sum of $100.We thank you for sending us your catalogues