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When does a verb in a compound tense require 'avoir' as an auxiliary, and when does it require 'être'?

Almost all verbs will use 'avoir' when forming a compound tense - the perfect tense for example. This can be seen in the following example - "j'ai visité" (I visited). Here, the 1st person, sing...

GC
Answered by George C. French tutor
2552 Views

5 tins of soup have a total weight of 1750 grams. 4 tins of soup and 3 packets of soup have a total weight of 1490 grams. Work out the total weight of 3 tins of soup and 2 packets of soup.

5 tins of soup have a total weight of 1750 grams.
--> from this, we can calculate the total weight of 1 tin of soup, with 1750÷5 = 350 grams
4 t...

ES
Answered by Eszter S. Maths tutor
4909 Views

You have 10g of Sodium Carbonate, how many moles do I have to 2dp?

Sodium Carbonate is Na2CO3The molecular formula mass is 2xNa + 1xC + 3xO 2x23 + 1x12 + 3x16 = 106 g/mol m = 10g Mr = 106 g/moln=m/Mrn = 10/106 = 0.09 mol

SB
Answered by Sophie B. Chemistry tutor
4473 Views

Describe the difference between TCP and UDP.

TCP (Transport Communication Protocol) allows for guaranteed communication between two machines. Connections are established with acknowledgements, and the receiver will also send acknowledgements when pa...

LW
Answered by Lewis W. Computing tutor
1762 Views

Which verbs take haben and which take sein in the past tense?

All verbs which indicate movement (or lack thereof) require sein. Everything else requires haben. For example, 'ich bin gegangen,' and 'ich bin geblieben' both refer to movement/lack of movement, which is...

CD
Answered by Chris D. German tutor
2457 Views

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