Te Form

Ways The Te Form Can Be Used
*used in the middle of a sentence to connect the next verb/connect two sentences.
コンビニに行っておにぎりを買います。
konbini ni itta o nigiri o kaimasu.
I will go to the conveniant store and buy onigiri.

*asking someone to do something by adding ください to the te form
*asking permission to do something by adding いいですか to the te form
*action in progress

何か他にありますか。

Now, the Groups
Group1
う、つ、る -- take off the ending and put って
ぬ、ぶ、む-- んで
く -- いて
exception 行く - 行って
ぐ -- いで
す -- して
leaving it as is without connecting it to anything, it can be used as an informal request to a family or friend.
EX. 待(ま)つ - 待って(to wait)
聞(き)く - 聞いて(to listen-listen to me)
飲(の)む - 飲んで(to drink-drink)
ぬぐ - 脱いで(to take off-take of your shoes)
かす - 貸して(to lend-lend it to me)

Group2
...eる or ...iる
replace る with て.
EX. 見(み)る - 見て

Group3
する - して
くる - きて
EX. 電話(でんわ)する - 電話して(to call)

Verb Groups
Next Masu Form
Then Ta Form

As usual, if there are any mistakes please comment with corrections, they are greatly appreciated!

* * *Difference between ~te and ~te imasu.
English Present Progressive (am/is/are ... ing) and Simple Present.
Japanese -te imasu is not only used to refer for actions in progress, but also to states of being.
* ~te imasu as "ing" for example in English "I'm studying".
~masu for more like verb as a noun. Example "Study"

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