I've been studying all morning.
I've been studying all morning long.
I was studying all morning.
How are the first, and the third different in meaning?
What's the difference between the first, and the second?
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Sign up to join this communityI've been studying all morning.
I've been studying all morning long.
I was studying all morning.
How are the first, and the third different in meaning?
What's the difference between the first, and the second?
For the first two, no difference.
long just emphasises.
The tenses are used for different purposes.
The present perfect continuous shows an action that began in the past and is still in progress. (The action is not yet finished.)
I've been studying all morning.
(I started to study at some point in the morning and I'm still studying. The morning isn't finished.)
The past continuous describes a scene in the past, or a temporary action that was in progress in the past interrupted by another action. For instance,
I was studying all morning till you arrived.