Перепишите следующие предложения используя сложное подлежащее. tom appears to be worried about something. you seem to know a lot of people. my english seems to be better. they claim to have solved the problem. david tends to forget things.

Tom appears to be worried ( appears to be worried -сложное подлежащее) about something.
You seem to know ( seem to know-сложное подлежащее) a lot of people.
My English seems to be ( seems to be -cложное подлежащее) better.
They claim to have solved ( claim to have solved- сложное подлежащее) the problem.
David tends to forget things.( tends to forget-сложное подлежащее)