IX. Open brackets using Present Continuous or Present Simple. 1. I (to think) she (not to feel) safe here.
2. You (to see) what I (to mean)?
3. You (to hear) what she (to say)?
4. He (not to feel) at liberty to tell you the truth.
5. Ron has got a new job. He (to earn) am fortune as a managing director. They (to think) he (to be) a bag of money.

XI. Open brackets using Present Perfect or Past Simple.
1. You (to see) Mary today?
2. When you (to see) Mary? – I (to see) her last week.
3. Look at my new dress. I (to make) it myself.
4. He is not at university today, he (to fall) ill. – When he (to fall) ill? – He (to fall) ill yesterday.
5. He just (to come) home.

XII. Open brackets using Past Simple or Past Perfect.
1. The house was very quiet when I got home. Everybody (to go) to bed.
2. I felt very tired when I got home, so I (to go) straight to bed.
3. Sorry I am late. The car (to break down) on my way here.
4. There was a car by the side of the road. It (to break down) and the driver was trying to repair it. So we (to stop) to see if we could help.
5. By 8 o’clock yesterday I (to do) my homework.

I. Open brackets using Present Continuous or Present Simple:

1. I (to think) she (not to feel) safe here.
I think she doesn't feel safe here.

2. You (to see) what I (to mean)?
Are you seeing what I mean?

3. You (to hear) what she (to say)?
Are you hearing what she is saying?

4. He (not to feel) at liberty to tell you the truth.
He doesn't feel at liberty to tell you the truth.

5. Ron has got a new job. He (to earn) am fortune as a managing director. They (to think) he (to be) a bag of money.
Ron has got a new job. He is earning a fortune as a managing director. They think he is a bag of money.

Explanation:
- We use the Present Simple to talk about general truths, habits, and permanent situations.
- We use the Present Continuous to talk about actions happening at the moment of speaking or temporary situations.

II. Open brackets using Present Perfect or Past Simple:

1. You (to see) Mary today?
Have you seen Mary today?

2. When you (to see) Mary? – I (to see) her last week.
When did you see Mary? - I saw her last week.

3. Look at my new dress. I (to make) it myself.
Look at my new dress. I made it myself.

4. He is not at university today, he (to fall) ill. – When he (to fall) ill? – He (to fall) ill yesterday.
He is not at university today, he fell ill. - When did he fall ill? - He fell ill yesterday.

5. He just (to come) home.
He has just come home.

Explanation:
- We use the Present Perfect to talk about an action that happened at an unspecified time before now and has a connection to the present.
- We use the Past Simple to talk about an action that happened in the past and is completed.

III. Open brackets using Past Simple or Past Perfect:

1. The house was very quiet when I got home. Everybody (to go) to bed.
The house was very quiet when I got home. Everybody had gone to bed.

2. I felt very tired when I got home, so I (to go) straight to bed.
I felt very tired when I got home, so I went straight to bed.

3. Sorry I am late. The car (to break down) on my way here.
Sorry I am late. The car broke down on my way here.

4. There was a car by the side of the road. It (to break down) and the driver was trying to repair it. So we (to stop) to see if we could help.
There was a car by the side of the road. It had broken down, and the driver was trying to repair it. So we stopped to see if we could help.

5. By 8 o’clock yesterday I (to do) my homework.
By 8 o'clock yesterday, I had done my homework.

Explanation:
- We use the Past Simple to talk about actions that happened and finished in the past.
- We use the Past Perfect to talk about actions that happened before a specific time in the past.