Sentence examples for certain I have from inspiring English sources

"I want to make certain I have a positive effect, not a negative one," she said.

I plan to study abroad in the next few years and, although I've never seen a psychiatrist or anything, I am fairly certain I have anxiety.

They do not know how many times I have visited doctors, certain I have been sentenced to death when they ignore my concerns.

"It's more a question of concentrating fully on the players I have already watched and know about, and trying to make certain I have a very good grip on those players and where they are form-wise when we come to May".

One of the wonderful things about being Puerto Rican is that I am certain I have ancestors who were Taino Indian, Spanish and African, to name a few of the cultures that have passed through and sometimes stayed on the island in centuries past.

I am not sure what the future holds, but one thing is certain: I have found my niche, in science policy and international development.

I was certain I had made a mistake.

"Excuse me?" I asked, certain I had misheard her.

I was certain I had the wrong address.

I was pretty certain I had her wooed.

I've never been certain I've understood anything Steve has said.