In asserting

[olegv]

Why does "is" come before the verb+ing form of assert in the phrase like ledners may face in asserting material adverse effect condition as reasons not to fund a commitment. Many thanks

[2006]

Why does "is" come before the verb+ing form of assert in the phrase like ledners may face in asserting material adverse effect condition as reasons not to fund a commitment. Many thanks

There is no "is" before 'asserting'.

[chester_100]

Why does 'is' come before the verb+ing form of assert in the phrase like ledners may face in asserting material adverse effect condition as reasons not to fund a commitment. Many thanks

I think you mean: why does in come before -ing forms?
If that's what you mean, you should know that it is an expression that implies while someone is doing something.


-In solving the problem, they made use of experimentation.
It means: while they were trying to solve the problem; in the course of solving the problem....