Have been or have had

Is that how you express past event using present tense ?

i really need answer

please i need to know for homework

The key difference is that the first phrase is in the passive and the
second is in the active voice. It's usually suggested that one should
use the active voice whereever possible, because it is believed to be
more expressive, impressive, persuasive, etc. Personally I don't find
any significant difference between them. But if your teacher is a
patternophilous doctrinaire, I ha

Hi,

which sentence is better to use in a present tense eassy

Have been overproduced

Have had overproduced (not correct)

im not sure my first example is correct, please advice me

Both of these Present Perfect forms are OK.

eg These cars have been overproduced ( by the manufacturer). passive

eg The manufacturer has overprodu

Can you tell me what is incorrect in my second example ? how do i fix ?

It's incorrect because the verb "have" (which adds the perfectness
to the sentence) is followed by two past participles instead of one
expected.

Present perfect:

[noun phrase] + have/has + [past participle]

[We] have [overproduced] something.
[The manufacturer] has [overproduced] these cars. (as Clive suggested)

--

Victor

thanks for the advices