He is more popular then she (is). Yes, it is correct if you finish the word "tha" to make it than.
Yes. "Which" is more correct than "witch."
No. A plural subject takes a plural verb here. Also, you don't have to write out numbers over ten. So the correct sentence is, More than 100 residents have signed the contract.
No. It has no subject. It needs to start with "I".
No. It is 'The jester realised sooner than the rest of the court'.
This spring has been drier than last spring.
"Paris is more popular than ever among foreigners" is probably the better sentence.
Yes - that's fine - you can also use "your brother knows more about technology than I do" That sounds more formal than ''your brother knows more about technology than me'' which is informal English.
'when more than one are' is the correct phrase.
"You are smarter" is the correct form ("smarter" is the conventional way of saying "more smart"). This -er rule works for many other words:More tall --> "You are taller than her"More thin --> "You look thinner than you did a week ago"More smart --> "She is smarter than him"
No. It should be: A horse's teeth take up more space than it's brain.
No it isn't. The correct form is:My brother knows more about technology than I.The subjective personal pronoun is used in this sentence because it's the subject of the inferred predicate:My brother knows more about technology than I know about technology.Or simply:My brother knows more about technology than I do.
If it is more than twoNo. We is a subject pronoun so doesn't go in the object position in a sentence. Us is the object pronoun form of we.So - "It is us" - is correct