could someone pls pls help me asap will mark brainliest

Answer:
Hello!
The answers are:
1. drop the -ar and add as
2. drop the -ar and add the -amos
3. drop the -ar and add the -an
4.drop the -ar and add the -ais
5.drop the -ar and add the -a
6.drop the -ar and add the -o
I hope it helps!
Explanation: