The answer will depend on where "there" is.
abound, meaning to occur or exist in great quantities or numbers
The most abundant mammal on earth is the brown rat (Rattus norvegicus). They are found worldwide and have adapted well to human environments, leading to their large population numbers.
Do you think you're perfect?
Just think of things you like for example: a food, color, sport or store and then add your initilals or numbers.
The perfect tense of "think" is "have thought." For example, "I have thought about it before."
The future perfect for "think" is "will have thought."
The past perfect tense is "had thought"
Present perfect - have/has thought. Past perfect - had thought. Future perfect - will have thought.
The present perfect tense of think is:I/You/We/They have thought.He/She/It has thought.
Hydrogen I think.
The present perfect form of "they have think" is "they have thought."
The future perfect tense of think is will have thought.