still, as yet, only
(not) yet
When used with an affirmative verb,
Plain Non-past Verb
Used primarily with stative verbs to indicate that a certain state still exists.
There is still time.
Verb て form + いる
Used with dynamic action verbs in the continuous form to show that an action is currently still ongoing.
彼は
He is still sleeping.
Do not use
When used with a negative verb,
Plain Negative Non-past Verb
Used to indicate that a state or action is not happening yet, or will not happen for a while.
バスは
The bus is not coming yet.
Verb て form + いない
Used to express that someone has not yet completed an action. This is the standard way to say that you have not done something yet.
I have not eaten a meal yet.
A common mistake is using the simple past negative tense to mean you have not done something yet. You must use the continuous negative form to indicate that an action has not been completed up to the present moment.