Unit 4,5,6

Present perfect
vorm

I have known him all my life.

1. past simple
2. present simple
3. present perfect
4. past perfect

past simple of present perfect?

I ... (never see) this film before.

1. never saw
2. have never seen
3. has never seen
4. have never saw

She has seen a butterfly.
This sentence is an example of...

1. past simple
2. past continuous
3. present perfect

She had read the book before....
This is an example of the

1. past simple
2. present perfect
3. past continuous
4. past perfect

I must/mustn't

you mustn't

he, she, it mustn't

we mustn't

you mustn't

they mustn't

Als jezelf vindt dat iets moet

musted bestaat niet

I have to + ww/don't have to

you have to + ww/you don' t

he, she, it has to + ww/don't

we have to + ww/don't

you have to + ww/don't

they have to + ww/don't

Als een ander vindt dat je iets moet

we verleden tijd had to

Must and have to: summary

Have to and must both mean 'moeten' in Dutch 

The context in which you use them is different!

Must: personal necessities

Have to: obligation (when someone else tells you what to do: school, the law, the government, your parents, your job etc.)

Note: the difference between must and have to is slowly disappearing in modern day English.

Hoeft niet <> mag niet

Hoeft niet = mag wel, maar hoeft niet

Don't / doesn't have to

You don't have to help me with my homework

Mag niet (van iemand anders)

Must not

You must not smoke in planes and trains.