Mastering English Conditionals and Irregular Verbs

Conditionals

Conditional 0

If + Present Simple = Present Simple. This is always true (absolute truth).

Conditional 1

If Present Simple, I, we, you, he will + infinitive. I will + verb (infinitive) if Present Simple. (Prediction that is almost true).

Conditional 2

If Past Simple, I would + verb (infinitive). I would + verb (infinitive) if Past Simple. (Unreal or imaginary situations).

Conditional 3

If you had + verb (3rd column), I would have + verb (3rd column). I would have + verb (3rd column) if I had verb (3rd column). (Impossible situations).

Time Clauses

By the time, when, as soon as, after, the moment, before, once - After these, always use Present Simple.

Present Simple

I/she/it + s. I don't, she/he doesn't + verb + s.

I am, they are, she is when always, rarely, often.

• Always
• Every day
• Usually
• Often
• Sometimes
• Rarely
• Hardly ever
• Never

Past Simple

I/you/he/they... verb + ed or 3rd column. Didn't + verb (infinitive) in questions.

Examples: "Last year", "Yesterday", "Last night".

Irregular Verbs

• be/was or were/been (to be)
• begin/began/begun (to begin)
• break/broke/broken (to break)
• bring/brought/brought (to bring)
• build/built/built (to build)
• burn/burnt/burnt (to burn)
• buy/bought/bought (to buy)
• can/could/been able to (to be able to)
• catch/caught/caught (to catch)
• choose/chose/chosen (to choose)
• come/came/come (to come)
• cost/cost/cost (to cost)
• cut/cut/cut (to cut)
• do/did/done (to do)
• dream/dreamt/dreamt (to dream)
• drink/drank/drunk (to drink)
• drive/drove/driven (to drive)
• eat/ate/eaten (to eat)
• fall/fell/fallen (to fall)
• feel/felt/felt (to feel)
• fight/fought/fought (to fight)
• fly/flew/flown (to fly)
• forget/forgot/forgotten (to forget)
• get/got/got (to get)
• give/gave/given (to give)
• go/went/gone (to go)
• have/had/had (to have)
• hear/heard/heard (to hear)
• know/knew/known (to know)
• learn/learnt/learnt (to learn)
• leave/left/left (to leave)
• lose/lost/lost (to lose)
• make/made/made (to make)
• must/had to/had to (to have to)
• pay/paid/paid (to pay)
• put/put/put (to put)
• read/read/read (to read)
• run/ran/run (to run)
• say/said/said (to say)
• see/saw/seen (to see)
• show/showed/shown (to show)
• sing/sang/sung (to sing)
• sleep/slept/slept (to sleep)
• speak/spoke/spoken (to speak)
• spend/spent/spent (to spend)
• take/took/taken (to take)
• teach/taught/taught (to teach)
• think/thought/thought (to think)
• understand/understood/understood (to understand)
• win/won/won (to win)