как сделать предложения вопросительными

к следующим предложениям:

Mr Wooding is the Head Teacher of a London shool, isn't he? - Yes, he is.
предложения
Mr Wooding invited a group of Russian students to London
A group of up to 22 people can go to London
Mr Wooding didn't write about the time of the visit
The Russian students will stay with English families
The Russian students won't be responsible for the social programme

3 The student on my left has a new dictionary

4 He has a bad pronunciation

5 They have a lot of difficulties with spelling

6 She has a good knowledge of English

7 We have a lot of papers to discuss

1)Употребите правильную форму глагола
a)Most students (to be) present today
b)I (to speak) english well

2)Сделать предложения вопросительными и отрицательными
a)We listened to that radio program last night
b)You made some mistakes in the last exercise

3)Употребить правильную форму глагола
a)Tom (to drive) his car to work next morning
b)The students(to study) carefully for the examination

4)Раскрыть скобки и поставить прилагательные в нужной форме
a)She swims (good) than I do
b)This is (wonderful) place for a holiday

) I ... a letter for you.

2)Ann ... got a lot of flowers.