Проспрягайте глаголы в Present Simple Tense во всех лицах ед. и мн. числа в отрицательной форме. to read, to write, to show, to watch, to sleep, to discover, to drink, to study, to wash, to go, to do.

his name is john. his favorite place is theme park. he likes this park because he can have a lot of rides there. there he has an opportunity to meet lots of people. he can get to the park by bike and it takes him 20 minutes to get there.

her name is mary. her favorite place is africa. she likes africa, because there is a lot of sun, because of the beach and crocodiles. she can get there by plane. it takes eight hours to get there.

his name is stephen. his favorite place is campsite. he likes this place because he can play football and tennisthere. he can get to the campsite by bike and it takes him one hour to get there.

1. i must brush my teeth. - anyone, most likely some disobedient child.

2. i have to brush my teeth. - a patient of dentist's, a human with diseased tooth.

3. i must tidy my room. - anyone, most likely some disobedient child.

4.i have to tidy my room. - anyone, probably a child.

5. i must take the medicine. - someone with easy form of illness.

6. i have to take the medicine. - most likely, a regular patient

they will have planted trees in their garden by 7 o'clock tomorrow в future in the past будетиметьтакойвид: they would have planted trees in their garden by 7 o'clock tomorrow. соответственно вопросы будут следующие:

would  they have planted trees in their garden by 7 o'clock tomorrow?

would  they have planted trees or flowers in their garden by 7 o'clock tomorrow?

who would  have planted trees in their garden by 7 o'clock tomorrow?

what would  they have planted in their garden by 7 o'clock tomorrow?

where would  they have planted trees by 7 o'clock tomorrow?

when would  they have planted trees in their garden?

what would  they have done in their garden by 7 o'clock tomorrow?

they would have planted trees in their garden by 7 o'clock tomorrow, wouldn’t they?  

  how long have you been trying to find a job?

for three years. it was really difficult.

how many jobs have you had?  

about thirty, maybe more i have been doing everything.

how long have you been standing here today?  

i have  been waiting since 8: 00 this morning, and i'm freezing.