Looking on the internet deeply has found these results:

looking forward to spend is the most popular phrase on the web.

looking forward to spending 11,780,000 results on the web	looking forward to spend 137,200,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
After pulling two double shifts, I'm looking forward to spending time with Maddy. They must be looking forward to spending some time with you now that everything's behind you. I hope you're looking forward to spending 24 hours in hell, Bashir. She said she was looking forward to spending quality time with just us. Says he's looking forward to spending some time with me, though. I was just looking forward to spending some time with the family this weekend, that's all. And I'm looking forward to spending that time alone, taking care of myself. I was looking forward to spending the holiday with Stormfly.	Looking forward to sampling your fare. Looking forward to your next letter. Is looking forward to having her husband back. Looking forward to trying that soup. I'm looking forward to retirement. He's looking forward to attending the negotiations. I'm looking forward to the ocean. I'm sure you're looking forward to returning to midwifery, but I would ask that you spend the initial few weeks on the district rota.

looking forward to spending

11,780,000 results on the web

looking forward to spend

137,200,000 results on the web

More popular!

After pulling two double shifts, I'm looking forward to spending time with Maddy.
They must be looking forward to spending some time with you now that everything's behind you.
I hope you're looking forward to spending 24 hours in hell, Bashir.
She said she was looking forward to spending quality time with just us.
Says he's looking forward to spending some time with me, though.
I was just looking forward to spending some time with the family this weekend, that's all.
And I'm looking forward to spending that time alone, taking care of myself.
I was looking forward to spending the holiday with Stormfly.

Looking forward to sampling your fare.
Looking forward to your next letter.
Is looking forward to having her husband back.
Looking forward to trying that soup.
I'm looking forward to retirement.
He's looking forward to attending the negotiations.
I'm looking forward to the ocean.
I'm sure you're looking forward to returning to midwifery, but I would ask that you spend the initial few weeks on the district rota.