Which sentence has an error in subject-verb agreement? The importance of Fleming's discovery wasn't realized right away. It wasn't until about 1940 that penicillin became widely used in medicine. Since then, penicillin has cured some diseases that once killed millions of people. Fleming was very lucky. But he wouldn't have succeeded if he hadn't been working hard on experiments anyway. His discoveries was a combination of luck and hard work.

The sentence that has an error in subject-verb agreement is:

His discoveries was a combination of luck and hard work.

Explanation:

When we say a subject and a verb have to agree, we mean the verb must be inflected in accordance to the subject. If the subject is singular, the verb must also be singular. If the subject is plural, the verb is also plural. The verb "to be", especially, is quite an irregular verb, and requires due attention.

Having that in mind, we can say the sentence that contains an error is "His discoveries was a combination of luck and hard work." The noun "discoveries" is the main word of the subject, and it is plural. However, the verb "was" (past form of the verb "to be") can only be used for singular subjects. For the sentence to be correct, it should be:

His discoveries were a combination of luck and hard work.

    i got this from a website called shmoop. i will give you a link and i will show you half of it. hope it : )

explanation:

mrs. mallard has a heart condition, which means that if she's startled she could die. so, when news comes that her husband's been killed in an accident, the people who tell her have to cushion the blow.

mrs. mallard's sister josephine sits down with her and dances around the truth until mrs. mallard finally understands what happened. the deceased mr. mallard's friend, richards, hangs out with them for moral support.

richards originally found out because he had been in the newspaper headquarters when a report of the accident that killed mr. mallard, which happened on a train, came through. richards waited for proof from a second source before going to the mallards' to share the news.

when mrs. mallard finds out what happened she acts differently from most women in the same position, who might disbelieve it. she cries passionately before deciding to go to her room to be by herself.

in her room, mrs. mallard sits down on a comfy chair and feels completely depleted. she looks out the window and looks out at a world that seems alive and fresh. she can see the sky coming between the rain clouds.

mrs. mallard sits still, occasionally crying briefly like a kid might.

the narrator describes her as youthful and pretty, but because of this news she looks preoccupied and absent.

she seems to be holding out for some kind of unknown news or knowledge, which she can tell is approaching.

mrs. mallard breathes heavily and tries to resist before succumbing to this unknown thing, which is a feeling of freedom.

acknowledging freedom makes her revive, and she doesn't consider whether she should feel bad about it.

mrs. mallard thinks to herself about how she'll cry when she sees her husband's dead body and how much he loved her. even so, she's kind of excited about the chance to make her own decisions and not feel accountable to anyone.

mrs. mallard feels even more swept up by the idea of freedom than the fact that she had felt love for her husband.

here is the link:

- free verse.

- " in poetry, one of the best ways to practice technique is to write in. i want all to be unstressed so that “all the clocks” and “in the night” are matching anapests. many forms that sharpen skills are useful in free verse."