te-form question

[Neil2]

In this dialogue:
A: Raigetsu no shain ryokou irassharanai n' desu ka?
B: Ikanai to iu wake de wa nai n' da ga, amari ki ga susumanakute ne
Can anyone explain why the final verb is te-form?

 

[Elizabeth]

In this dialogue:
A: Raigetsu no shain ryokou irassharanai n' desu ka?
B: Ikanai to iu wake de wa nai n' da ga, amari ki ga susumanakute ne
Can anyone explain why the final verb is te-form?

It's the same as "susumanai ne."

Tada "Susumanakute" ha "Susumanai" yoriﾂ、yawarakai hyougen da to omoimasu. ☝