have been substituting
- present perfect progressive of substitute.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Since early last week, fill-in hosts have been substituting for O’Kelly.
From Los Angeles Times ● Oct. 15, 2025
Hospitals have been substituting pills for IV-administered drugs when possible, changing dosing schedules or injecting drugs directly into a vein, what’s called I.V. push.
From Seattle Times ● Jan. 9, 2018
We have been substituting the sample variances just as we did when testing hypotheses for a single mean.
From Textbooks ● Nov. 29, 2017
