What is the difference between masu and imasu forms? For example... Tabemasu and Tabeteimasu.
What is the difference between ます　and います forms? For example... たべます and たべています。okay, ありがとう。:D What about past form? たべました and たべていました？

Question

What is the difference between masu and imasu forms?  For example...  Tabemasu and Tabeteimasu.
What is the difference between ます　and います forms? For example... たべます and たべています。okay, ありがとう。:D What about past form? たべました and たべていました？>

Answer

masu => do/ imasu => doing :)