پنج تا جمله هستن، از نظر گرامر احساس میکنم همگی درستن، ولی چرا در ازمون سه تا درستن

at this moment I believe We have a good chance of Victory

at this moment I am believing We have a good chance of Victory

at this moment I know We have a good chance of Victory

at this moment I feel We have a good chance of Victory

at this moment I am feeling We have a good chance of Victory

Explain to me What's diffrents between this sentences?