strain at

• I strain
• you strain
• you strain
• he/she/it strains
• we strain
• they strain

• I strained
• you strained
• you strained
• he/she/it strained
• we strained
• they strained

• I am straining
• you are straining
• you are straining
• he/she/it is straining
• we are straining
• they are straining

• I have strained
• you have strained
• you have strained
• he/she/it has strained
• we have strained
• they have strained

• I will strain
• you will strain
• you will strain
• he/she/it will strain
• we will strain
• they will strain

• I will have strained
• you will have strained
• you will have strained
• he/she/it will have strained
• we will have strained
• they will have strained

• I was straining
• you were straining
• you were straining
• he/she/it was straining
• we were straining
• they were straining

• I had strained
• you had strained
• you had strained
• he/she/it had strained
• we had strained
• they had strained

• I will be straining
• you will be straining
• you will be straining
• he/she/it will be straining
• we will be straining
• they will be straining

• I have been straining
• you have been straining
• you have been straining
• he/she/it has been straining
• we have been straining
• they have been straining

• I had been straining
• you had been straining
• you had been straining
• he/she/it had been straining
• we had been straining
• they had been straining

• I will have been straining
• you will have been straining
• you will have been straining
• he/she/it will have been straining
• we will have been straining
• they will have been straining

• straining

• strained

• having strained