The phrase "we started investigating" is grammatically correct and can be used in written English.
For example: "After receiving several complaints, we started investigating the issue to find a solution."
"We started investigating a single incident, but we ended with a very big case," the burly Serbian policeman said.
"PJ started talking to people in the US football scene and we started investigating the possibility of starting our own club.
We started investigating and found that assault on college campuses was pervasive, routinely covered up by colleges and universities, and the public was blithely unaware of the problem.
Recently we started investigating if nanoparticle synthesis via laser ablation in the presence of natural stabilizers allows control over size and shape and constitutes a useful, uncomplicated alternative over conventional synthesis methods.
"We started investigating additional integrations that would make sense based on the consumer demand — for the Amazon Alexa capabilities, but available in a much better quality sounding speaker, which is why they're purchasing Zipp and Zipp Mini and pairing it with the Echo Dot," he said.
"We started investigating it yesterday and then I got a call saying that he had just left to go home to Spain.
As it turned out, all of us had started and subsequently abandoned a personal blog, and so we started investigated this and speaking to others in similar situations to find out what had gone wrong".
So then we start investigating the sweet potential of vegetables".
Because it is computationally expensive to reach convergence, we start investigating the hypothesis above by exploring the accuracy of 3-body statistics.
"When we first started investigating robots as home companions we had a proper lab, but we realised people felt very uncomfortable," Prof Dautenhahn told the BBC.
"We have learned about this, especially in Adhamiyeh [in West Baghdad] and we have started investigating.
