1b Read again. Answer the questions. Is it easy to understand this text? Why?
Punctuation marks are part of your language system. They help
manage the words and ideas you write. They help you communiсаte​

1)i have to work hard to improve my english

2)joan doesn’t   have to go.she can stay here.

3)i’m   sorry   i’m late.i had to do the shopping.

4)i think the spacemen has known english.

5)does she have to read this rule?

6)tom doesn’t  have to use a computer.

7)you have to know english to understand people.

8)does mary have to help ann to study english?

9)what time do you have to get up?

10)has your teacher corrected your homework?  

1.can

2.could

3.will be able

4.can

5.can(сомневаюсь,не вижу перехода времени)

6.can

7.can

это время настоящие , которое происходит постоянно.

когда стоят местоимения she he it ставится указательный глагол does , а когда we i they , то ставится указательный глагол do.чаще всего есть указатели , такие как : usually today every day 

she is doing  her homework. we have our    english lesson in the evening. he is putting on his rain-coat. i often do my   homework with my   friend. this lady’s surname is smith. what’s her   first name? please sit down. is it your    document? they do their morning exercises in the open air. this table is too small. what’s its length?