Pierwszy okres warunkowy
Pierwszego okresu warunkowego używamy w odniesieniu do sytuacji, które będą miały miejsce w przyszłości.
|'If' -clause: present tenses||main clause: 'shall/will' future|
|be:||If I am better tomorrow,||I will go to work.|
|have:||If I have a headache,||I will take an aspirin.|
|simple present:||If he finishes early,||he will go home.|
|present progressive:||If you are standing in the rain,||you will catch cold.|
|present perfect:||If he has arrived at the station,||he will be here soon.|
|present perfect progressive:||If he has been travelling all night,||he will need a rest.|
|can, must:||If I can afford a car,||I will buy one.|
Variation I: 'If' + present + modal
|'If' -clause: present tenses||main clause: modal|
|simple present:||If she finishes early,||she can/could phone me.
she may/might phone me.
she should/ought to phone me.
she must phone me.
|present progressive:||If she is arriving today,|
|present perfect:||If she has arrived,|
|present perfect progressive:||If she has been waiting,|
|can, must||If she can't understand it,|
Variation II: 'If' + should + e.g. imperative
|'If' -clause: present tenses||main clause: e.g. imperative|
|If you (should) see him,||please give him my regards.|
|Should you see him,|
|If you (should) happen to see him,|
|Should you happen to see him,|
Variation III: Imperative + conjunction + clause
|imperative||conjunction||main clause: 'shall/will'|
|Provide the materials||and||we'll do the job.|
|Stop shouting,||or||you'll wake up the neighbours.|
|Put that down,||or else||I'll hit you.|
|Be there on time,||otherwise||you'll lose the job.|
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