Looking on the internet deeply has found these results:

I had a lot of work today. is the most popular phrase on the web.

I had a lot of works today. 10 results on the web	I had a lot of work today. 1271 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	I had a lot of work today on 2 teeth. Dr. Ragsdale and her staff put... me at ease and kept me comfortable! Take care of your teeth! Most importantly: make Dr. What would they assume? One can't put a foot wrong. You can go! Apr 5, 2010 ... ... that race I had a lot of work today to achieve the goal what I have set out, but unsuccessfully done at previous attempts; finish the 6 foot under ... Mrs. Chan! You're back very late! I had a lot of work today. I didn't see you leave this ... May 22, 2012 ... Today's forced family hike was a short one because I had a lot of work today. It is always forced since teenagers do not want to spend any ... Amah!

I had a lot of works today.

10 results on the web

I had a lot of work today.

1271 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

I had a lot of work today on 2 teeth. Dr. Ragsdale and her staff put... me at ease and kept me comfortable! Take care of your teeth! Most importantly: make Dr.
What would they assume? One can't put a foot wrong. You can go!
Apr 5, 2010 ... ... that race I had a lot of work today to achieve the goal what I have set out, but unsuccessfully done at previous attempts; finish the 6 foot under ...
Mrs. Chan! You're back very late! I had a lot of work today. I didn't see you leave this ...
May 22, 2012 ... Today's forced family hike was a short one because I had a lot of work today. It is always forced since teenagers do not want to spend any ...
Amah!