Note: BO and OBJ are company name here as symbolic.. Which one is correct below: BO has been taken over by OBJ, yesterday. right ? BO was taken over by OBJ, yesterday. right ?
In both of these sentences, you are using the verb to be however, the tenses are different.
In the first sentence, BO has been taken over by OBJ yesterday the present perfect simple is being used but in the second sentence, BO was taken over by OBJ yesterday the past simple tense is being used.
It is often difficult to decide when to use the present perfect simple or the past simple tense. Because the sentence consists of a time expression, we must use the past simple tense: BO was taken over by OBJ yesterday.
There are many signal words that help us to decide between the two tenses, for example, time expressions such as yesterday, ago, last week/year, in 2000 require the past simple tense.
Here are some examples:
- I went to the meeting yesterday.
- The concert last week was brilliant!
- She retired in 2015 after thirty years in the same company.
- I left school ten years ago.
There are many signal words when it comes to the present perfect simple tense too. For example, yet, since, already, lately, just.
Here are some examples:
- I haven’t met my new cousin yet.
- The team hasn’t stopped working since this morning.
- Their neighbor hasn’t called in a lot lately.
- The students have just finished the first book from Chronicles of Narnia and are eager to move on to the next book.
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Don’t forget that the best form of this sentence is actually the active form. Here you have the organization that is doing the action (OBJ) in the second part of the sentence. This is passive voice, and can be confusing for readers. To change to the active form, and to show more clearly what the action in the sentence is, try this:
- OBJ took over BO yesterday.
If you like the sentence as you have written it, Corinne is correct.
Causative Form: Causative Verbs Examples
Action Verb vs Linking Verb vs Helping Verbs vs Irregular Verb vs
