The form, "have been developed," is generally considered to be a passive voice sentence that comes from an active voice sentence. When you say that the flowers "developed" however, you are using an intransitive verb, and these generally cannot be transformed into the passive voice. For example, it would be impossible to make a passive sentence ...
Hi, I would like to ask you which of the options in bold is correct in the following (I would opt for the first): In the course of my academic and professional career, I have gained/developed/acquired a range of competencies and a breadth of experience which I believe will enable me to succeed...
This competence (has been)/was developed, in the course of her degree studies, by the study of elective modules in financial mathematics which provided her with a grounding in X.
Bull. 3 312, I have developed a good many dozens of exposures, and with pyro-ammonia or pyro-carbonate I have not yet got an unevenly developed film. Elsewhere a Google Image search will return many examples of developed film.
I wanted to say this sentence 'As technology has developed over the years, a lot of useful things are invented and improved.' has developed, has been developed which one is correct?
Hi all, this is a sentence that I have in mind: "I was told that my interest in music has developed/had developed since I was a little kid." Since the report verb "was told" is in the past tense, I think "had developed" is definitely correct, but if I consider the fact that the development is still ongoing, "has developed" also seems to make sense.