My question is whether number 1 can be rephrased as number 2 or number 3.
1. The most effective way that is by ordering dogs repeatedly seems to be no longer regarded as a way for training them effectively by experts.
2. The most effective way by ordering dogs repeatedly seems to be no longer regarded as a way for training them effectively by experts.
(This seems to be acceptable if we think of "by ordering dogs repeatedly" as modifying "the most effective way.)
3. The most effective way, by ordering dogs repeatedly, seems to be no longer regarded as a way for training them effectively by experts.
(This seems to be barely acceptable if we think of "by ordering dogs repeatedly" as as an appositive modifier of "the most effective way")
Let's back up and write your sentence with its phrases in a better sequence before we address your question. Though there may be even better ways to write it, let me suggest the following. What used to be thought the most effective way of training dogs, that is, by repeatedly giving orders, is no longer recognized as effective by experts.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Let's back up and write your sentence with its phrases in a better sequence before we address your question. Though there may be even better ways to write it, let me suggest the following.
What used to be thought the most effective way of training dogs, that is, by repeatedly giving orders, is no longer recognized as effective by experts.
Supposing we start with that, are t