i haven't understood vs I didn't understand

Both phrases are correct, but they are used in different contexts. 'I haven't understood' is used when you are referring to a recent event or ongoing situation where the understanding has not yet occurred. 'I didn't understand' is used when you are talking about a specific past event where the understanding did not happen.

Last updated: March 28, 2024

i haven't understood

This phrase is correct and commonly used in English when referring to a recent event or ongoing situation where the understanding has not yet occurred.

This phrase is used to express that the understanding has not happened up to the present moment. It implies a continuous state of not understanding.

Examples:

I haven't understood the new concept in math class.
She hasn't understood the instructions for the assignment.

Alternatives:

I still haven't understood
I have yet to understand

I didn't understand

This phrase is correct and commonly used in English when talking about a specific past event where the understanding did not happen.

This phrase is used to indicate a lack of understanding in a particular situation that occurred in the past. It refers to a single event of not understanding.

Examples:

I didn't understand what he said yesterday.
She didn't understand the concept during the lecture.

Alternatives:

I failed to understand
I didn't get it

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i haven't understood vs I didn't understand