The verb in the given sentence, "have understood", is in its present perfect tense. The sentence itself does not have tense, which is a property of verbs only.
Understood is the past tense.
Past tense is understood. understand /understood /understood
Simply, the past tense word of "understand" is "understood". For example: The class "understood" what they were being taught.
The future perfect tense is "I will have understood your problem"
have / has understood.I have understood everything you said.She has understood the experiment quite well.
Understood is the past tense.
Past tense is understood. understand /understood /understood
The present perfect tense is "She has helped you all along."
Simply, the past tense word of "understand" is "understood". For example: The class "understood" what they were being taught.
No. The correct way is: I've understood you all along.
Understood
The future perfect tense is "I will have understood your problem"
No, the past tense for understand is "Understood".
Along is not a verb, so it does not have a past tense.
have / has understood.I have understood everything you said.She has understood the experiment quite well.
Understood is the past form of the understand.................
Not much difference. The first sentence has an understood past tense, as in "We did include it then" while the second has an understood present tense "We have included it."