Si + imperfect -> present conditional
Si + present-> future
Si + pluperfect-> past conditional
Si Plu que parfait:
Imparfait (etre or avoir) + past participle
Si tu avais été fatigué
Past conditional:
It uses the same stem as the futur simple (either the infinitive or one of the irregular verb stems)
and the same endings as the imparfait.
Conditional (avoir or etre) and past participle
Si Imparfait:
ais
Ais
Ait
Iez
Ions
aient
Present conditional:
You use the conditionnel for three reasons:
1. (the more obvious) to make sure that your listener understands that whatever you are saying is
based on certain conditions’ being met.
2. (the less obvious) you want to be polite.
3. (the least obvious) to express the future in the past
How to form:
It uses the same stem as the futur simple (either the infinitive or one of the irregular verb stems)
and the same endings as the imparfait.
● Would do something
Je mangerais -> I would eat
Je ferais-> I would do
Si Present:
Future:
Infinitive + ai, as, a, ons, ez, ont for er and ir
Infinitive (minus e) + ai, as, a, ons, ez, ont for er and ir
Ex: finirai, repondrai
Irregular stems
Aller ->
ir–
Avoir ->
aur–
Être ->
ser–
Devoir ->
devr–
Faire ->
fer–
Falloir ->
faudr–
Pleuvoir->
pleuvr–
Pouvoir ->
pourr–
Savoir ->
saur–
Tenir ->
tiendr–
Venir ->
viendr–
Voir ->
verr–
Vouloir ->
voudr–
Stem changing verbs:
acheter achèter–
appeler appeller–
répéter répéter–
espérer epérer–