I don't know I should choose which of two this options.

We are assuming at this point that you have MAMP(or some environment equivalent) and composer installed/was installed at this point.

  • Short answer: assuming "Composer" is software, you should say "was installed." Otherwise, you have an incomplete thought that doesn't make sense. Commented Dec 10, 2017 at 5:32

3 Answers 3


Active: Someone installs some thing.

Passive: Some thing is installed by someone.

A: I installed Composer

P: Composer was installed

However, installed is also an adjective, describing the current state of the program. So in your sentence is installed can also be accurate:

Yes, Composer is installed on the server.

So it's really your choice:

We assume, at this point, that you have both MAMP and Composer installed.

We assume, at this point, that you have MAMP, and Composer was installed (or, even better, has been installed).

If accurate, you can avoid the ambiguous verbiage as follows:

At this point, we assume that you have installed both MAMP and Composer.

  • so Do I choose installed or was installed? Commented Aug 28, 2017 at 2:00
  • I don't have enough information to understand how these component relate to each other, so I can't answer that question. Both might be correct. I hoped my answer addressed the underlying grammar so you could make your own decision ... and also, hopefully show you how to write better English so that, in the future, you can avoid these kind of awkward choices.
    – Andrew
    Commented Aug 28, 2017 at 5:05
  • @PhamVanDuc please look at the last sentence and see if it is correct for what you want to say. This sentence is simple and direct, and is therefore easy for the reader to understand.
    – Andrew
    Commented Aug 28, 2017 at 5:07

We are assuming ... you have MAMP [...] and Composer installed

Resultative HAVE—HAVE [object] VERBPa·Ppl—is an established and very common construction meaning that [object] is present or available in a VERBPa·Ppl. It's very similar to the ordinary perfect (in fact, it is believed to be the construction from which the perfect developed), but unlike the perfect it doesn't imply that the subject performed the action which brought about the state. For instance:

We cannot proceed until we have the objectives explicitly defined ... that is, until the objectives are before us in an explicitly defined state. Somebody has to define the objectives, but that somebody may not be us—perhaps it is our client.

Now that we have the report drafted we can consider amendments ... that is, the report has now been drafted and we have a document we can amend. Somebody drafted it, but it wasn't necessarily us—perhaps it was a consultant, or our staff.

Your sentence thus means "We are assuming that MAMP and Composer have been installed and can be run on your system."

  • so Do I choose installed or was installed? Commented Aug 28, 2017 at 2:00
  • @PhamVanDuc Installed, as the first line of the Answer says. Commented Aug 28, 2017 at 2:01
  • installed in this case is an adjective or a verb? Commented Aug 28, 2017 at 2:03
  • @PhamVanDuc Well, a participle is by definition both; but this is more adjective-y than verb-y. Commented Aug 28, 2017 at 2:20
  • -y at the end-word mean? Commented Aug 28, 2017 at 2:25

You don't say "you have somehing was done".

The right form is "have + something + done" when you want to say that something is done by someone else for you.

So the phrase "was installed" isn't grammatical in the sentence; you should use installed without was/were.


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