Group dynamics

In groups I usually take a job that leads a main part like in my recent group project I was the lead historian. And with the type of job I have to do a lot of work but sometimes I like to have a small job. But when I have a small job I usually do a big part in helping the group. Sometimes I have to do other peoples work because they don't work and they goof off. I like to talk when I work so when I work with friends I get a lot done. But sometimes I just talk too much and don't do my work but most of the time I get my work done. One time I was working with a friend and I finish in 2 days and the project was due in a week. That was the best group project I have ever been in. one of the worst group projects was when my group finished on the last day because we were talking too much. And that was one of the worst times I have ever had in a group project. But a few weeks later I got to do an easy project. And I got to have a job that lead a big part of that project and I got an A. one time I got an f on project because someone was bossing everyone around and saying "No we are doing this my way" and he keep deleting all of my stuff. But all of that changed when he got an F and then he got mad at my group and said" You suck you got us an F" but then I said no we don't suck because you said, "No we are doing this my way" and you wrote all of it. So the f is on you.