What ......the weather like today?What,,,,,,,there on table?,,,,Igor a good chess player?IT ....nice to seee you.How

What is the weather like today?

What are there on table?

Is Igor a good chess player?

It is nice to see you.

How are you?

How old is your sister?

Are you a pupil?

Пояснение: если подлежащее третьего лица и единственного числа (he/she/it - он,она, оно), то глагол be в форме is. Если подлежащее во множественном числе (you, they, we - ты-вы, они, мы), то форма are пишется.