|Simple Present||A: He speaks.
N: He does not speak.
Q: Does he speak?
||always, every …, never, normally, often, seldom, sometimes, usually
if sentences type I (If I talk, …)
|Present Progressive||A: He is speaking.
N: He is not speaking.
Q: Is he speaking?
||at the moment, just, just now, Listen!, Look!, now, right now|
|Simple Past||A: He spoke.
N: He did not speak.
Q: Did he speak?
||yesterday, 2 minutes ago, in 1990, the other day, last Friday
if sentence type II (If I talked, …)